With the advent of Blackrose custom HBOOT which gives us S-OFF, we can now resize the MTD partitions of our N1. This method is the one used by lbcoder in the Desire thread where you patch the recovery and boot in order to pass modified MTD partition information which supersedes the one provided by the SPL. Using this, I've managed to increase my userdata partition by ~50 MB by taking ~50 MB from the cache partition.
These instructions are for advanced users only. This will involve hex calculations and command line instructions that are not for the faint of heart. I don't believe it's dangerous though so anyone could still try since I will try to make these instructions as detailed as I possibly can.
What you need:
N1 with Blackrose HBOOT (I'm not sure this is needed though after I read more in-depth about the patch)
hex calculator (or a pencil & paper if you want to do it manually)
adb
fastboot
unpack-bootimg.pl
mkbootimg
recovery.img <- in my case I used ClockWorkMod 5.0.2 from here
boot.img <- taken from CM zip (in my case my KANG)
Partition Layout:
0x000003ee0000-0x000003fc0000 : "misc"
0x000004240000-0x000004640000 : "recovery"
0x000004640000-0x0000049c0000 : "boot"
0x0000049c0000-0x00000dac0000 : "system"
0x00000dac0000-0x0000139c0000 : "cache"
0x0000139c0000-0x00001fe00000 : "userdata"
Partition Sizes in Hex:
0x0000000e0000 : "misc"
0x000000400000 : "recovery"
0x000000380000 : "boot"
0x000009100000 : "system"
0x000005f00000 : "cache"
0x00000c440000 : "userdata"
Step-by-step Instructions:
A>Backup your current system: (OPTIONAL)
*I'm assuming you're using CWM 5.0.2 for the backup step since I tried using 3.X and the restore didn't work
1.) Boot your N1 into recovery using either adb reboot recovery or through the bootloader
2.) Backup your current system (I'm going to assume you know how to use your recovery for this)
B>Calculate new MTD parameter values:
*For this example I'm going to transfer ~50MB of cache space to my userdata partition:
1.) Since I know the cache partition is ~100MB in size, I'll just divide the hex size in 2:
0x5f00000 / 2 = 0x2f80000 <= this will be our new cache size
**Note that there is a minimum of 0x20000 (128k) for a partition and the size must be divisible by it which is why I'm playing safe and just dividing the original number in order to get an easier value for this example.
2.) Add the new cache partition size to the original cache partition starting address to get the new starting address of the userdata partition:
0xdac0000 + 0x2f80000 = 0x10a40000 <= this will be the new starting address for userdata
3.) Get the new userdata size by subtracting the new starting address of userdata with the ending address:
0x1fe00000 - 0x10a40000 = 0xf3c0000 <= this will be the new userdata size
C>Create a new recovery.img file which uses the new values:
1.) Breakdown the recovery.img file into it's kernel and ramdisk components using unpack-bootimg.pl:
.\unpack-bootimg.pl recovery.img
*This will yield 2 files and 1 directory. You can delete the directory since we only need the files.
2.) Rename the kernel from the recovery.img-kernel.gz made from unpack-bootimg.pl to recovery.img-kernel.
3.) Create the recovery-new.img file using mkbootimg with the new MTD command embedded:
mkbootimg --cmdline 'no_console_suspend=1 console=null mtdparts=msm_nand:[email protected](misc),[email protected](recovery),[email protected](boot),[email protected](system),[email protected](cache),[email protected](userdata)' --kernel recovery.img-kernel --ramdisk recovery.img-ramdisk.cpio.gz -o recovery-new.img --base 0x20000000
*Note that the values for cache starting address, userdata starting address and userdata size have been changed to the newly calculated values in the previous step.
**This will yield recovery-new.img which will be used in the next steps.
D>Create a new boot.img file which uses the new values:
1.) Breakdown the boot.img file into it's kernel and ramdisk components using unpack-bootimg.pl:
.\unpack-bootimg.pl boot.img
*This will yield 2 files and 1 directory. You can delete the directory since we only need the files.
2.) Rename the kernel from the boot.img-kernel.gz made from unpack-bootimg.pl to boot.img-kernel.
3.) Create the boot-new.img file using mkbootimg with the new MTD command embedded:
mkbootimg --cmdline 'no_console_suspend=1 wire.search_count=5 mtdparts=msm_nand:[email protected](misc),[email protected](recovery),[email protected](boot),[email protected](system),[email protected](cache),[email protected](userdata)' --kernel boot.img-kernel --ramdisk boot.img-ramdisk.cpio.gz -o boot-new.img --base 0x20000000
*Note that the values for cache starting address, userdata starting address and userdata size have been changed to the newly calculated values in the previous step.
**This will yield boot-new.img which will be used in the next steps.
E>Flash the recovery-new.img:
1.) Boot into bootloader and use fastboot command to flash the new recovery:
fastboot flash recovery recovery-new.img
F>Make system operational:
1.) Boot into recovery mode.
2.) Erase everything (factory reset)
3.) Either:
- Flash the ROM you took the original boot.img from OR
- Restore the backup you made previously (this only works (or has been tested) on CWM 5.0.2)
4.) DO NOT REBOOT YET!!!
G>Flash modified boot.img:
1.) Use adb to reboot to bootloader directly from recovery: (this is for safety since if you boot from an unmodified boot.img you'll have to start from F again.
adb reboot bootloader
2.) Use fastboot to flash the new boot image:
fastboot flash boot boot-new.img
3.) You may restart normally.
For those who've read this far, everything above has been rendered obsolete! Here's an editor for the SPL itself for the partition sizes:
http://intersectraven.euroskank.com/tools/SPLHexEditor.exe
*Instructions are in dla5244's thread 2nd post.
Try it at your own risk though!
Credits:
dla5244 - for bringing S-OFF to our N1 even after a looong time since its release
Firerat - for the original patch idea
Lbcoder - for coming up with the idea in the Desire thread
Reserved!
(I'm learning to reserve now... )
2 Questions:
Is the userdata space where downloaded apps go?
why didn't you choose any other partition to transfer empty space from?
drzplaya1121 said:
2 Questions:
Is the userdata space where downloaded apps go?
why didn't you choose any other partition to transfer empty space from?
Click to expand...
Click to collapse
1.) Yes.
2.) This is a sample. If you want to transfer from system or to system from cache, this example will show you how to do so.
thank U. Now I have no need to buy a new phone because of constantly running out of memory
Does it mean that every time I flash a new kernel, the whole effort will go waste?
Also, can I use the same procedure for Amon RA recovery??
rjmohit said:
Does it mean that every time I flash a new rom (which obviously has a different boot.img), the whole effort will go waste?
Also, can I use the same procedure for Amon RA recovery??
Click to expand...
Click to collapse
For that you need to do only steps D, F and G. If you flash only a kernel which uses koush's anykernel updater, you don't need to do anything.
intersectRaven said:
For that you need to do only steps D, F and G. If you flash only a kernel which uses koush's anykernel updater, you don't need to do anything.
Click to expand...
Click to collapse
Thanks.
One more silly question
Will the following procedure work.
1. Flash any ROM.
2. Then flash the modified boot.img (which may not belong to that ROM).
3. Then optionally flash the desired kernel.
rjmohit said:
Thanks.
One more silly question
Will the following procedure work.
1. Flash any ROM.
2. Then flash the modified boot.img (which may not belong to that ROM).
3. Then optionally flash the desired kernel.
Click to expand...
Click to collapse
Yeah. That would work since you're replacing the kernel anyways. What's important is that the kernel is compatible with the ROM.
Well done IR cannot wait to resize my data partition..
Okay, I extracted the recovery.img file, now when I try to extract recovery.img-kernel.gz, it gives the following error: not in gzip format. Exactly same happens for boot.img. I tried extracting it with different extractors on windows and ubuntu, nothing worked. Pls help.
I don't like using MTD because over time you will notice lag. If your already using sd-ext then your data is basically not being used. And I believe that cache never gets past 50% usage. Just putting in my two cents
rjmohit said:
Okay, I extracted the recovery.img file, now when I try to extract recovery.img-kernel.gz, it gives the following error: not in gzip format. Exactly same happens for boot.img. I tried extracting it with different extractors on windows and ubuntu, nothing worked. Pls help.
Click to expand...
Click to collapse
That's odd. In my installation, it worked flawlessly. Were there no errors during the run of unpack?
blahbl4hblah said:
I don't like using MTD because over time you will notice lag. If your already using sd-ext then your data is basically not being used. And I believe that cache never gets past 50% usage. Just putting in my two cents
Click to expand...
Click to collapse
intersectRaven said:
That's odd. In my installation, it worked flawlessly. Were there no errors during the run of unpack?
Click to expand...
Click to collapse
Nope. No errors. :-/
rjmohit said:
Nope. No errors. :-/
Click to expand...
Click to collapse
Found the problem. It seems it was never compressed in the first place. Ark sees this and just copies the file without the .gz extension.
*Instructions edited accordingly.
I may sound a bit noobish, but I'm facing one more hindrance:
How exactly do I run the mkbootimg file in the ubuntu terminal? I mean, can you give me the exact syntax?
I was facing a similar problem with the perl script, but then I found a solution on google, but didnt find anything for the mkbootimg. Can I run it under windows cmd?
rjmohit said:
I may sound a bit noobish, but I'm facing one more hindrance:
How exactly do I run the mkbootimg file in the ubuntu terminal? I mean, can you give me the exact syntax?
I was facing a similar problem with the perl script, but then I found a solution on google, but didnt find anything for the mkbootimg. Can I run it under windows cmd?
Click to expand...
Click to collapse
I already posted the syntax in the instructions. You just need to make sure the mkbootimg file has execute permissions in order for it to run.
Updated OP with SPL editor program.
intersectRaven said:
Updated OP with SPL editor program.
Click to expand...
Click to collapse
I tried your program. Everything worked fine. Just that my /cache now shows 290 MB free, while I had resized it to 20 MB!! Is that a bug? /system & /data show proper sizes though. thanks.
rjmohit said:
I tried your program. Everything worked fine. Just that my /cache now shows 290 MB free, while I had resized it to 20 MB!! Is that a bug? /system & /data show proper sizes though. thanks.
Click to expand...
Click to collapse
Is it the display on the program or display on the Android device when booted?
Wait, I found it. It's a bug. Thanks! I'll edit it when I get home. For now, please double check the values by reopening the made file before flashing. If the values are incorrect, please DON'T FLASH!!!
Related
Hi all,
I am new to build a rom, excuse me for the newbie question.
I try to build the CM12 by myself, and follow the CM WIKI, I have successfully build the source code,
but when i try to boot it up in emulator, I got errors
Code:
emulator: WARNING: system partition size adjusted to match image file (454 MB > 200 MB)
ko:Invalid cache partition image type: yaffs2 (expected ext4)
in my opinion, the warning may not matter, but the second line do.
so I search the internet, but nothing help.
Is there anything i can do to find out how to solve it or
find out what have happened?
Thanks,
PapEr.
Delete the img file and re-install
PsyGik said:
Delete the img file and re-install
Click to expand...
Click to collapse
it doesn't works, I have delete all img file and rebuild the project, but i got the same error.
You can't run CM12 on emulator,
You should port CM12 to device and work it on device
Hello guys,
I have a Ulefone Be Touch 2 (with a MT6752 cpu) that only boot and stay on the ulefone logo, and I can't install any ROM (official or custom ones)...
In fact, the tools (latest SPFlashTool v5.1628 and the one provided by ulephone I used successfully earlier) do the download process until 100% without error message, but the only thing that seems to be on the phone (and working) is the recovery.
With this two softwares I am able to install the official recovery or TWRP (2.8.7.0 from needrom), and they both are usable.
But when I try to do something in recovery mod, it tells me that cache or system partitions (and others) are not mounted (or found).
In SPFlashTool, I tryed many features without success but I have (NAND and UFS) errors when doing memory tests :
#External RAM:
#
# Type = DRAM
#
# Size = 0x80000000 (2048MB/16384Mb)
#
#NAND Flash:
#
# ERROR: NAND Flash was not detected!
#
#EMMC:
#
# EMMC_PART_BOOT1 Size = 0x0000000000400000(4MB)
# EMMC_PART_BOOT2 Size = 0x0000000000400000(4MB)
# EMMC_PART_RPMB Size = 0x0000000000400000(4MB)
# EMMC_PART_GP1 Size = 0x0000000000000000(0MB)
# EMMC_PART_GP2 Size = 0x0000000000000000(0MB)
# EMMC_PART_GP3 Size = 0x0000000000000000(0MB)
# EMMC_PART_GP4 Size = 0x0000000000000000(0MB)
# EMMC_PART_USER Size = 0x00000003a3e00000(14910MB)
#
#UFS:
#
# ERROR: UFS was not detected!
I don't understand what it meens and how can I change the recovery if the NAND is gone? Are system partitions and recovery stored in different places/memory (types)?
I searched and read on differents thread (the UBT2 review, mtk6755 ERROR: NAND Flash was not detected by split52 , [GUIDE] How to 'unbrick' your Mediatek MT65xx...) and googled and watched related videos but didn't find anything than matches and can really help me.
So, if someone can help me I would really be grateful.
Thank you in advance.
I'm sorry if I post this thread in the wrong section (I think it's the first I creat).
sylkyls
I had a problem like your's when I walked all over my partition layout because of a botched flash. Didn't have UFS errors tho. No info anywhere. Had to verify my scatter file and recovery fstab layout agreed with each other. Ended up modifying my scatter file. Took it one partition at a time using the fstab until the recovery recognized all partitions then backed up my files, reformatted and flashed the stock rom using SPF Tools. Took a while to boot. After that, the original scatter file worked. Still don't make sense why it worked that way but it got me back working.
smith901 said:
I had a problem like your's when I walked all over my partition layout because of a botched flash. Didn't have UFS errors tho. No info anywhere. Had to verify my scatter file and recovery fstab layout agreed with each other. Ended up modifying my scatter file. Took it one partition at a time using the fstab until the recovery recognized all partitions then backed up my files, reformatted and flashed the stock rom using SPF Tools. Took a while to boot. After that, the original scatter file worked. Still don't make sense why it worked that way but it got me back working.
Click to expand...
Click to collapse
Thank you smith901,
I don't know how to do this: I can run a terminal into the recovery but if I do cat /etc/fstab or less /etc/fstab , I only have :
/system ext4 rw
/cache ext4 rw
/data ext4 rw
/external_sd auto rw
I think I'm doing the wrong way.
Could you tell me (or redirect me to) a method please?
Have a nice day
sylkyls
sylkyls said:
Thank you smith901,
I don't know how to do this: I can run a terminal into the recovery but if I do cat /etc/fstab or less /etc/fstab , I only have :
/system ext4 rw
/cache ext4 rw
/data ext4 rw
/external_sd auto rw
I think I'm doing the wrong way.
Could you tell me (or redirect me to) a method please?
sylkyls
Click to expand...
Click to collapse
Seems to be fstab problems.
Use whatever unpacking tool you are comfortable with to unpack the stock recovery and TWRP. Then replace your fstab files in the root and /etc directories after changing what you want, rw to /system or whatever. Modify the twrp.fstab file in /etc using the values from stock fstab. You might have to add in or replace your rc and mt6735 files also. Repack then flash. The log screen in TWRP will let you know what partitions can't be read. Choosing the correct encryption partition took some trial & error.
Once you get it all to read, the modified twrp.fstab, files in the unpacked stock recovery folder plus a device tree, and the TWRP building thread will get a recovery built by yourself as soon as you can sync from git.
smith901 said:
Seems to be fstab problems.
Use whatever unpacking tool you are comfortable with to unpack the stock recovery and TWRP. Then replace your fstab files in the root and /etc directories after changing what you want, rw to /system or whatever. Modify the twrp.fstab file in /etc using the values from stock fstab. You might have to add in or replace your rc and mt6735 files also. Repack then flash. The log screen in TWRP will let you know what partitions can't be read. Choosing the correct encryption partition took some trial & error.
Once you get it all to read, the modified twrp.fstab, files in the unpacked stock recovery folder plus a device tree, and the TWRP building thread will get a recovery built by yourself as soon as you can sync from git.
Click to expand...
Click to collapse
Thank you again, but I'm really sorry that I can't apply your instructions... ( unpacking with 7-zip does not give me any fstab file )
Could you try to do it with the official rom please? ( download link is in the bottom of this page: http://ulefone.com/download/betouch2.html , at the next step my phone needs the "option 2" rar file).
With custom roms (zip files flashable with a custom recovery or rar archive), I can unpack thems and obtain/open a fstab file ( recovery.fstab ) but not with things flashable with SPFlashTool.
sylkyls
sylkyls said:
Thank you again, but I'm really sorry that I can't apply your instructions... ( unpacking with 7-zip does not give me any fstab file )
Could you try to do it with the official rom please? ( download link is in the bottom of this page: http://ulefone.com/download/betouch2.html , at the next step my phone needs the "option 2" rar file).
With custom roms (zip files flashable with a custom recovery or rar archive), I can unpack thems and obtain/open a fstab file ( recovery.fstab ) but not with things flashable with SPFlashTool.
sylkyls
Click to expand...
Click to collapse
I meant an unpacking tool like Carliv Image Kitchen or Android Image Kitchen. I'm rarely this helpful so once I finish cleaning the carpet I'll have a look.
The recovery.fstab file look slim in this recovery but that is what they made.
Download Aindroid Image Kitchen.
Follow the instructions to unpack your stock recovery and TWRP recovery.
Make the changes you want. Copy needed files, /etc/recovery.fstab, fstab.mt6752 and probably the *.rc files from stock to TWRP. Just check everything to be sure.
Repack TWRP then flash.
I don't use Windows so I couldn't use the program provided in the archive.
sylkyls,
did you solve the issue? I have the same problem.
cmarqz said:
sylkyls,
did you solve the issue? I have the same problem.
Click to expand...
Click to collapse
Hello,
Sorry every one but I forgot to follow this thread as I had a lot of work and someone giave me another phone ( a samsung note 4 N910F) that I repared (and am using now) and then I did let my ulefone away from my priorities.
Sorry cmarqz but I didn't try the solution proposed by smith901 on my MTK6752 device.
Maybe I'll try it later.
Did you find a solution for your device?
Best regards XDA users.
The Problem
TLDR: In Oreo ROMs, i.e. Android 8.0/8.1, DualBoot Patcher no longer works, as patched ROMs/kernels will get stuck on Android logo screen(for the Axon 7, it's the 'ZTE, POWERED BY android' screen), and never boot up.
In Oreo(Android 8.0/8.1), Google introduced a new function to fstab, which is early mounting specific partitions. The purpose was so that Android can boot up faster, by ensuring that essential partitions like /system and /vendor are mounted first and the boot process will not be held back by delays in non-essential things like setting up apps. More details can be found here. So the important changes that affect DualBoot Patcher are: 1) There's an important file 'fstab.qcom', which lists all the partitions that Android can use, that got shifted from the '/' directory(the root partition/ramdisk, Android 7.x and below) to the '/system/vendor/etc' directory(in Android 8.x) 2) In addition, another file 'init.qcom.rc', once found in the '/' directory too(in Android 7.x and below), is now shifted to '/system/vendor/etc/init/hw' directory(in Android 8.x) 3) Because of 1), 'init.qcom.rc' now believes that 'fstab.qcom' is in '/system/vendor/etc' and not '/', and so it asks Android to read 'fstab.qcom' from '/system/vendor/etc' 4) In the 'fstab.qcom' file, there are entries for all partitions except /system(and /vendor for Treble devices). For these 2 partitions, they are now found in the dtb(short for Device Tree Binary). How does this affect DualBoot Patcher? 1) DualBoot Patcher expects that 'fstab.qcom' is still in '/' directory(correct me if I'm wrong), so it fails to find this file in Android 8.x ROMs/kernels 2) DualBoot Patcher expects that '/system' is still defined in 'fstab.qcom', which is not the case. Below are the exact changes that Google made(in the case of our Axon 7), note the red parts(the changes):
fstab.qcom(the strike means those lines are now removed/gone)
Code:
/dev/block/bootdevice/by-name/recovery /recovery emmc defaults defaults
[STRIKE][COLOR="red"]/dev/block/bootdevice/by-name/system /system ext4 ro,barrier=1,discard wait[/COLOR][/STRIKE]
init.qcom.rc
Code:
on fs
wait /dev/block/platform/soc/${ro.boot.bootdevice}
symlink /dev/block/platform/soc/${ro.boot.bootdevice} /dev/block/bootdevice
mount_all [COLOR="Red"]/vendor/etc/fstab.qcom[/COLOR]
dtb(converted into dts with dtc)
Code:
fstab {
compatible = "android,fstab";
vendor {
compatible = "android,vendor";
dev = "/dev/block/platform/soc/7464900.sdhci/by-name/vendor";
type = "ext4";
mnt_flags = "ro,barrier=1,discard";
fsmgr_flags = "wait";
status = "disabled";
};
[COLOR="red"]system {
compatible = "android,system";
dev = "/dev/block/platform/soc/624000.ufshc/by-name/system";
type = "ext4";
mnt_flags = "ro,barrier=1,discard";
fsmgr_flags = "wait";
status = "ok";
};[/COLOR]
};
The Solution
There are 3 changes to make for each ROM/kernel: 1) Edit fstab.qcom, dtb and init.qcom.rc 2) Add fstab.qcom and init.qcom.rc back into the ramdisk(i.e. edit the ramdisk) 3) Delete '/system/vendor/etc/fstab.qcom' and '/system/vendor/etc/init/hw/init.qcom.rc'. There are 2 ways you can do this, either manually, or with my script(Work in progress, my sincere apologies)
Method 1: Manually modify ROM and kernel
Files you will need:
Note: the 'files.zip' attached below contains 'dtc', 'magiskboot', 'mkbootimg', 'unpackbootimg'. Extract it to get these files. Feel free to scan them for viruses, I assure you they are clean and not viruses for sure
- boot.img you want to patch
- init.qcom.rc, fstab.qcom from the ROM you are patching
- magiskboot binary(found in /data/magisk or /data/adb/magisk if you installed magisk, otherwise download the one attached below)
- dtc binary(download the one attached below)
If you are patching Hellsgate or Schwifty, you also need:
- unpackbootimg, mkbootimg(attached below)
- Image.gz-dtb(from the flashable zip of the kernel)
Note: You also need a boot.img, but this will be from the ROM you are flashing/have flashed(extract from the ROM zip)
Preliminary step: Prepare the files
- Before you start, I would recommend copying all the files into a directory where you can chmod/execute binaries. I personally recommend '/data/local/tmp', or '/cache'(anywhere in /cache is fine). The guide below assumes that all these files are in the same directory. Also, chmod all the binaries, for example, do this in your working directory:
Code:
chmod 0755 *
- Also, I would recommend backing up 'fstab.qcom' and 'init.qcom.rc'
Additional Step: If you wish to patch kernels like Hellsgate and Schwifty
- First, unpack your ROM's stock kernel:
Code:
./unpackbootimg -i boot.img
- Then, repack the kernel as a Hellsgate/Schwifty kernel:
Code:
./mkbootimg --kernel Image.gz-dtb --ramdisk boot.img-ramdisk.gz --cmdline "androidboot.hardware=qcom user_debug=31 msm_rtb.filter=0x237 ehci-hcd.park=3 lpm_levels.sleep_disabled=1 [email protected] androidboot.selinux=permissive buildvariant=userdebug" --base 80000000 --pagesize 4096 --kernel_offset 00008000 --ramdisk_offset 01000000 --second_offset 00f00000 --tags_offset 00000100 --os_version 8.1.0 --os_patch_level [COLOR="red"]2018-06[/COLOR] --hash sha1 --output ./boot-new.img
- Note: For the red part in the above command, adjust for the month that your desired kernel is released. E.g. If your desired kernel was released in 2018 June, you put '2018-06', while if it was released in 2018 July, you put '2018-07', and so on.
- From now on, take note that everytime I mention 'boot.img', for you, it will be 'boot-new.img'(I'll bold each one that you have to change to 'boot-new.img')
Step 1: Unpack the boot.img
Code:
./magiskboot --unpack [COLOR="red"]boot.img[/COLOR]
- Now you get 3 additional files: 1) kernel(not editing this) 2) ramdisk.cpio(gonna edit this) 3) dtb(also editing this)
Step 2: Decompile the dtb
Note: dtb is a BINARY so don't open it with a text editor
Code:
./dtc -I dtb -O dts -o dt.txt dtb
- Another note: It will probably give you a lot of warnings, but it's harmless so just ignore them(I've edited multiple kernels and tested them myself, no bugs so far)
Step 3: Edit the decompiled dts
- Open the created 'dt.txt' with a root text editor(I use Simple Explorer, you can use FX file explorer, or ES file explorer)
- Search for this word:
Code:
/system
. You should find this line:
Code:
dev = "/dev/block/platform/soc/624000.ufshc/by-name/system";
- Remove the entire chunk quoted below:
Code:
system {
compatible = "android,system";
dev = "/dev/block/platform/soc/624000.ufshc/by-name/system";
type = "ext4";
mnt_flags = "ro,barrier=1,discard";
fsmgr_flags = "wait";
status = "ok";
};
- Take note that you will have to remove 1 '};'(at the bottom of the above quote), nothing more, nothing less
Step 4: Recompile the dtb
Code:
./dtc -I dts -O dtb -o dtb1 dt.txt
- Again, it might give you a lot of warnings but just ignore them
- Also, rename the new dtb so that magiskboot will compile this new dtb into your modified kernel:
Code:
mv dtb dtb.bak
Code:
mv dtb1 dtb
Step 5: Edit fstab.qcom
- Open 'fstab.qcom' file with a root text editor
- Add the following red line, below the line about '/recovery', above the line about '/data':
Code:
/dev/block/bootdevice/by-name/recovery /recovery emmc defaults defaults
[COLOR="red"]/dev/block/bootdevice/by-name/system /system ext4 ro,barrier=1,discard wait[/COLOR]
/dev/block/bootdevice/by-name/userdata /data f2fs nosuid,nodev,noatime,nodiratime,data_flush wait,check,encryptable=/dev/block/bootdevice/by-name/cryptkey,quota,formattable[/CODE]
- Save the 'fstab.qcom' file
Step 6: Edit init.qcom.rc
- Open 'init.qcom.rc' with a root text editor
- Look for this line:
Code:
mount_all /vendor/etc/fstab.qcom
- Change it into this line:
Code:
mount_all [COLOR="red"]/fstab.qcom[/COLOR]
- Save the 'init.qcom.rc' file
Step 7: Modify kernel ramdisk
-First do:
Code:
./magiskboot --cpio ramdisk.cpio 'add 0640 fstab.qcom fstab.qcom'
- Then do:
Code:
./magiskboot --cpio ramdisk.cpio 'add 0750 init.qcom.rc init.qcom.rc'
Step 8: Create a new, DBP-compatible boot.img
Code:
./magiskboot --repack [COLOR="red"]boot.img[/COLOR]
- You will get a new boot.img, named 'new-boot.img'
Step 9: Install the modified kernel
- First, flash the boot.img(using TWRP or Flashify or another tool)
- Then, delete these 2 files:
Code:
/system/vendor/etc/fstab.qcom
and
Code:
/system/vendor/etc/init/hw/init.qcom.rc
- Note: Make sure you do not reboot after installing boot.img and before deleting the above 2 files
That's it! If you completed all the steps above properly, you should have a working DBP-compatible boot.img that you can put in a flashable zip and patch with DualBoot Patcher
if you don't know how to make a flashable zip to install your modified boot.img, you can use the one I attached below(named 'flashable-kernel-template.zip'). What you have to do is download it, then extract it and make a new zip containing your modified boot.img(basically, create a new zip with the 'META-INF' folder from my zip and your 'boot.img'. The zip automatically deletes
Code:
/system/vendor/etc/fstab.qcom
and
Code:
/system/vendor/etc/init/hw/init.qcom.rc
so you won't need to do this yourself
Note: If you are using my flashable zip, note that you have to rename your modified 'new-boot.img' to 'boot.img' before you compress it into a new flashable zip. Otherwise you will get an error when flashing in recovery
Note 2: Avoid using the flashable zip template for non-modified kernels, it can render your ROM unable to boot!
Method 2: Work in Progress
Method 2: Use my automated script
Please do leave feedback on whether this guide is clear, and also if any of the steps are not working for you! Happy Dualbooting
Sources:
Github Problem Discussion
Problem Solution
Reserved 1
Reserved 2
This is going to be useful. Personally I just want to run custom O as primary and N as a secondary. Mainly because O doesn't have properly working Daydream and for a couple of games that aren't compatible anymore with O. If I'm only trying to attach LOS14.1 as secondary I wouldn't need to patch anything extra O from this guide? Though I can't install the patched ROM it gives an error.
Edit: Oops missed reading from the old guide the primary ROM needs to be stock. I guess I need to patch then. Do I need Linux to do all the editing?
Infy_AsiX said:
This is going to be useful. Personally I just want to run custom O as primary and N as a secondary. Mainly because O doesn't have properly working Daydream and for a couple of games that aren't compatible anymore with O. If I'm only trying to attach LOS14.1 as secondary I wouldn't need to patch anything extra O from this guide? Though I can't install the patched ROM it gives an error.
Edit: Oops missed reading from the old guide the primary ROM needs to be stock. I guess I need to patch then. Do I need Linux to do all the editing?
Click to expand...
Click to collapse
Actually yeah, if your custom O is primary you don't need to patch it(the kernel, I mean)! You still need to patch the ROM so that it doesn't wipe /system when you OTA update your custom O, which means you need an unpatched custom O stock kernel flsshable zip(sorry for the mouthful). But if you don't OTA update then no need The last I tried, using stock ROM as secondary worked for me though? Didn't find any issues. But I might just be lucky, be careful if you try that.
As for your last question, nope all these commands are meant for Terminal Emulator app on an Android phone! Just use the binaries in the attached files.zip, they are all compiled for Android and do not work on Linux desktops. All the best If you need help just ask here!
haoyangw said:
Actually yeah, if your custom O is primary you don't need to patch it(the kernel, I mean)! You still need to patch the ROM so that it doesn't wipe /system when you OTA update your custom O, which means you need an unpatched custom O stock kernel flsshable zip(sorry for the mouthful). But if you don't OTA update then no need The last I tried, using stock ROM as secondary worked for me though? Didn't find any issues. But I might just be lucky, be careful if you try that.
As for your last question, nope all these commands are meant for Terminal Emulator app on an Android phone! Just use the binaries in the attached files.zip, they are all compiled for Android and do not work on Linux desktops. All the best If you need help just ask here!
Click to expand...
Click to collapse
Figured out the error after dual boot patch on LOS14.1 was my mistake in modifying the update-script incorrectly. Nothing to do with N/O/this guide. However now I tried installing it to data slot so dirty flashing and restoring the system partition won't be complicated. The issue is trying to boot primary it vibrates five times at ZTE logo and goes to recovery. Trying to switch to primary in dualbootutilities gives an error something like (from memory) data/media/0/boot.img cannot be found. I guess DBP installed even on data changes the structure of boot and primary on O doesn't fit so can't boot. Just want your advice, it probably means patching O when O is primary is necessary then?
Infy_AsiX said:
Figured out the error after dual boot patch on LOS14.1 was my mistake in modifying the update-script incorrectly. Nothing to do with N/O/this guide. However now I tried installing it to data slot so dirty flashing and restoring the system partition won't be complicated. The issue is trying to boot primary it vibrates five times at ZTE logo and goes to recovery. Trying to switch to primary in dualbootutilities gives an error something like (from memory) data/media/0/boot.img cannot be found. I guess DBP installed even on data changes the structure of boot and primary on O doesn't fit so can't boot. Just want your advice, it probably means patching O when O is primary is necessary then?
Click to expand...
Click to collapse
Oh you mean you flashed custom O, and after that you flashed you N data slot ROM? You're partially right, if you flash your data slot ROM after a non-patched ROM, you'll have the data slot kernel installed i.e. the LOS 14.1 stock kernel, which cannot boot an O ROM. This is because DBP works by storing multiple kernels on your /data/media/0/Multiboot folder, when you 'switch ROMs' actually what happens is DBP flashes the kernel of the ROM you're switching to. Obviously a N kernel cannot boot an O ROM so you cannot boot. Unfortunately, DBP only stores kernels that you flash with patched zips(i.e. if you flash a DBP-patched ROM/kernel zip, only then will DBP store the kernel in its custom Multiboot folder). So because you didn't patch your O primary ROM, its kernel is not saved and you cannot use DBPUtilities. What you can do is either make your own non-patched kernel zip file for your O ROM's stock kernel that you flash everytime you want to switch to primary, or you patch your primary ROM and then you can use DBPUtilities. However B01 kernel has a slightly different precedure for adding DBP support that this guide doesn't explain(I'm sorry) I'll update it when I find time. Don't follow this guide to patch B01! It won't boot, I tried But I know what changes to make when modifying a B01 kernel don't worry
lost this post when I pressed reply. This RR-O Kranoner 20180511 has the fstab.qcom and init.qcom.rc still on root / directory. But patching only DBP patching hellsgate kernel after having LOS14.1 on data slot 1 still has the same issue. Alternatively installing the mod boot.img allows primary to boot but after using DBP utilities to switch to data slot 1 (onscreen says success) the data slot 1 gets stuck on ZTE logo with 5 vibrates instead. Even tried flashing the final Beastmode 14.1 kernel DBP patched to data slot 1 after switched, five vibrates to recovery.
Lost Magisk install after step nine. Just reinstalling it is fine. Did you forget the flashable zip template by the way?
Infy_AsiX said:
lost this post when I pressed reply. This RR-O Kranoner 20180511 has the fstab.qcom and init.qcom.rc still on root / directory. But patching only DBP patching hellsgate kernel after having LOS14.1 on data slot 1 still has the same issue. Alternatively installing the mod boot.img allows primary to boot but after using DBP utilities to switch to data slot 1 (onscreen says success) the data slot 1 gets stuck on ZTE logo with 5 vibrates instead. Even tried flashing the final Beastmode 14.1 kernel DBP patched to data slot 1 after switched, five vibrates to recovery.
Lost Magisk install after step nine. Just reinstalling it is fine. Did you forget the flashable zip template by the way?
Click to expand...
Click to collapse
Oh hmm did you install the right version of Hellsgate for your data slot 1? I think LOS 14.1 needs a very old version(R2.1? I think). I'm not sure about beastmode kernel though, I'm sorry And thanks for the reminder about the zip template, o dear I forgot about it I'll upload it now!
haoyangw said:
Oh hmm did you install the right version of Hellsgate for your data slot 1? I think LOS 14.1 needs a very old version(R2.1? I think). I'm not sure about beastmode kernel though, I'm sorry And thanks for the reminder about the zip template, o dear I forgot about it I'll upload it now!
Click to expand...
Click to collapse
Sorry that post was worded poorly due to rushed recalling. I meant RR-O primary had Hellsgate kernel patched by this guide, which shouldn't be necessary as the two issue ROM files are still on root directory (patching with DBP instead didn't work as I posted before)? Still had to install the mod boot.img to manage to boot but then data slot 1 LOS14.1 won't boot. I was going to try patching with this guide the kernel I intend for LOS14.1 but it's lacking the image.gz-dtb file, I'd only patched it with DBP and that should be enough as it's an N ROM. I guess I could use an older hellsgate suited to N but Beastmode was updated til a little later so I'd prefer it.
Thanks for the zip template. Just checking, it's not actually needed if I can just install the modded boot.img directly in TWRP anyway?
Infy_AsiX said:
Sorry that post was worded poorly due to rushed recalling. I meant RR-O primary had Hellsgate kernel patched by this guide, which shouldn't be necessary as the two issue ROM files are still on root directory (patching with DBP instead didn't work as I posted before)? Still had to install the mod boot.img to manage to boot but then data slot 1 LOS14.1 won't boot. I was going to try patching with this guide the kernel I intend for LOS14.1 but it's lacking the image.gz-dtb file, I'd only patched it with DBP and that should be enough as it's an N ROM. I guess I could use an older hellsgate suited to N but Beastmode was updated til a little later so I'd prefer it.
Thanks for the zip template. Just checking, it's not actually needed if I can just install the modded boot.img directly in TWRP anyway?
Click to expand...
Click to collapse
Oh you're right, if the 2 files are still present you don't have to patch using this guide. Just checking, what version of hellsgate are you using for primary? And yes you're right! N ROMs/kernels don't have to be patched with this guide for DBP I'm not very sure why you can't boot and get the 5 led flashes though
As for your last question, you're right no need this zip in you install using TWRP.
haoyangw said:
Oh you're right, if the 2 files are still present you don't have to patch using this guide. Just checking, what version of hellsgate are you using for primary? And yes you're right! N ROMs/kernels don't have to be patched with this guide for DBP I'm not very sure why you can't boot and get the 5 led flashes though
As for your last question, you're right no need this zip in you install using TWRP.
Click to expand...
Click to collapse
The last B32+10 hellsgate v3.0. Dunno but the guide did manage to allow primary to boot whereas it wouldn't before. Both N hellsgate and beastmode are lacking the image.gz-dtb so I can't patch them. I guess I'll try stock next, I really wanted KCAL to use on Daydream tho ::crying:. If that fails I might try stock N as primary when I'm about to clean flash update O.
Infy_AsiX said:
The last B32+10 hellsgate v3.0. Dunno but the guide did manage to allow primary to boot whereas it wouldn't before. Both N hellsgate and beastmode are lacking the image.gz-dtb so I can't patch them. I guess I'll try stock next, I really wanted KCAL to use on Daydream tho ::crying:. If that fails I might try stock N as primary when I'm about to clean flash update O.
Click to expand...
Click to collapse
Oh dear I'm sorry to hear Just checking are you using LOS 14.1 builds from 2018? I might know what's wrong
haoyangw said:
Oh dear I'm sorry to hear Just checking are you using LOS 14.1 builds from 2018? I might know what's wrong
Click to expand...
Click to collapse
yeah latest official
Sent from my Xperia Z3C using XDA Labs
Infy_AsiX said:
yeah latest official
Click to expand...
Click to collapse
Oh I probably should add this in the OP, Nougat builds with 2018 Security patch level behaves the same way as Oreo ROMs, they also have the init.qcom.rc and fstab.qcom in /system. So I would believe that latest LOS 14.1 also needs the exact same patching method as Oreo(if you can check and confirm this that'll be great). I haven't analysed the Nougat hellsgate and beastmode kernels so I'm not sure how to patch them, I'll let you know asap when I find out something. Sorry about the mistake, I didn't realise there's still a Nougat ROM being regularly updated
Great thanks for the guide and mods. Sorry for the late follow up, it did take awhile to get working. After some confusion and trouble with figuring out how some O ROMs still don't use the early mount method. While N ROM and kernels don't in fact need patching by this guide. Also B12 can't be dual booted with any N ROMs due to bootstack incompatibility (flashing bootstack after a DBP install doesn't seem to take effect to help). My target kernel was Hellsgate 3 for B32+10, which oddly needed fstab.qcom modded per guide but not init.qcom.rc all despite the kernel being for non early mount ROMs. Yes really, after all of that figured out, I got it working!
I'm glad to report it works as intended with the right setup. Now with B12 ROMs currently all affected by the wired audio cpu extra 50% load bug, using B32+10 is a working fallback. The trade off being apparently dual-sim issues (reported by some as present, some not), no GCam HDR support and improper hi-res audio support (though hi-fi DAC was already working and hi-res is debatably useless). In any case if dual booting O with N is desired B32+10 is the latest supported available with above stated differences. This is the only way presently for using a stable-ish O ROM and N's fully functioning Daydream and a couple of AAA games deprecated after N such as Fahrenheit: Indigo Prophecy and Jade Empire. Now I can also play around testing Kranoner's N Vertex EAS supported ROM and kernel.
I've attached the B32+10 Hellsgate 3 modded per this guide using Kranoner's 180511 RR-O for anyone interested in getting it straight working without the mess. A few pointers. The zip still needs needs to be patched to primary/secondary/whatever chosen slot before use. Magisk has to be reinstalled after installing the modified kernel, primary Magisk zip does not need DB patching. Using secondary slot, to fill up like huge wasted space 6GB system partition is smart if you're not installing many apps.
Sent from my ZTE Axon 7 using XDA Labs
////[removed]////
Tried this with my device and it didn't work. Alcatel Tetra with 8.1 Stock. Runs GSI images up to 10. MT6739 SOC. Doesn't boot if you simply remove the entry. Couldn't even change ro to rw and have it boot. I was able to remove verify and that was about it. I was able to get the fstab and init file migrated back to ramdisk and it booted once i modified the init file to point to the right locations. I got DBP supporting my treble device properly. The last step is to figure out how to disable/remove the system early mount. This topic seems dead but I figure it's worth a try. I've been working on this Project on and off for 2+ months now and would really like to hit paydirt.
you do realize this is an Axon7 thread , yes?
mrrocketdog said:
you do realize this is an Axon7 thread , yes?
Click to expand...
Click to collapse
I'm Sure he's not lost .
U realize this is a place Dev's take ideas from each other and try to port it to other devices Right?
Nexus 7 (2013) Repartition
No one is responsible for your actions except yourself. Everything written further may potentially brick your device, although risk is reduced to minimum.
This repartition package offers 1.5G /system; a /vendor partition and it is fully backward compatible with any ROM (including stock system.img).
Known-issues
HTML:
- If repartition pack says that device isn't correct,
than, if partition table wasn't modified before,
congrats! your device has different memory chip
that those I worked with. No worry, PM me and
I'll add support for it.
DO THE BACKUPs. Repartition will erase all your data
USB connection to PC is MANDATORY else you will not have opportunity to push ROM to your device
Backup
# Before processing further we highly recommend you backup persist and EFS using adb
# Or you might lose your IMEI/WIFI + BT mac addresses
Code:
adb root
adb shell
dd if=/dev/block/mmcblk0p2 of=/sdcard/modemst1.img
dd if=/dev/block/mmcblk0p3 of=/sdcard/modemst2.img
dd if=/dev/block/mmcblk0p4 of=/sdcard/persist.img
Now you can find 3 *.img files at path /sdcard. Copy them to your PC since internal memory will be erased.
Installation
HTML:
# This mod is backwards compatible with any ROM so we highly recommend NOT to reverse it if repartition went well.
# You should use ONLY recovery from this thread since other don't support all benefits of this mod.
# When installing ROM just after you flashed zip and before installing GAPPs you MUST make a resize in TWRP since all roms are build for ~800M system.
# Package is unified for flo and deb. To restore stock layout use same zip and steps as for repartition.
1. Boot into recovery (You need to allow system partition modification to be able resize /system in recovery).
2. Backup your data & Move your files from flash to your PC.
3. Flash repartition pack zip.
4. Do the actions asked by repartition pack (go to Terminal in ordinary recovery and input word that pack will tell you. Everything else will be done automatically).
5. Phone will reboot into recovery.
6. Install TWRP from below (it is build with support of new partitions layout and sizes. It can be differed from official TWRP by next format 3.x.x-1 UA).
7. Format everything. (mount errors will not affect formatting!)
- In TWRP: Wipe > Format data
- Type yes
- Once this completes go to: Wipe > Advanced Wipe
- Tick all the boxes and wipe. There should be no further mount errors. (Thanks [user=7694808]@mr_rubbish[/user] for corrections in formatting).
8. Install ROM which you like.
9. Enjoy better flash partition layout.
If something gone wrong - we recommend you NOT to do anything by yourself. Write here for help, else you may do only worse.
Downloads:
Repartitioning package: GitHub
Credits:
Special thanks to
- Unlegacy-Android team;
- Sudokamikaze;
- rlw6534 for Kingston MMC layout;
- surfrock66 for his gide for Nexus 5;
As usual, feedback is appreciated
XDA:DevDB Information
Nexus 7 (2013) Repartition, Tool/Utility for the Nexus 7 (2013)
Contributors
Clamor
Source Code: https://github.com/clamor95/android_device_unlegacy_recovery
Version Information
Status: Stable
Created 2018-09-19
Last Updated 2019-01-18
Common issues and F. A. Q.
Repartition pack should be safe for most devices. Common mistakes, issues and their solution will be published here.
1. You shouldn't flash any internal parts of repartition pack (*.sh files) only flash whole zip using TWRP. You may use my scripts for personal use or projects but authorship should to be kept.
2. If something isn't mounting after repartition try to format partitions that don't mount using Wipe -> Advanced Wipe in TWPR. Ideally you should format in that way all partitions in Advanced Wipe menu (see 5-th step of installation guide).
3. If you want to be sure that repartition went well I enclose loging zip. Flash it after repartition (when device reboots into TWRP). It won't modify anything only generates a partition.log in root of internal storage and outputs your current partition layout to screen. You should check if your layout is same as those fragments I provide under spoiler (file systems doesn't matter). If there are any differences you have to describe what you did and enclose partition.log to your post.
FLO/DEB STOCK
Code:
22 671088640B 1551892479B 880803840B system
23 1551892480B 2139095039B 587202560B cache
FLO/DEB MODIFIED
Code:
22 614429696B 2187293695B 1572864000B system
23 2187293696B 2270167039B 82873344B cache
...
30 2348843008B 2610987007B 262144000B vendor
4. After flashing most ROMs system size will reduce to stock, you need to resize /system in TWRP or use flashable resize zip for ROMs that support addon.d (automatic resize when dirty flashing updates).
5. After returning to stock partition table you won't be able to get into the Recovery from the bootloader anymore, but when you start the tablet normally it goes straight in the Recovery. It is normal state. New partition table proposes larger /recovery size (16MB) while stock gives only 10MB. During restoring stock process, it is impossible to restore larger recovery backup into new smaller partition. Whether not to leave user without recovery excess, recovery backup restores into /boot partition. Just flash ordinary TWRP and install ROMs from it.
6. Don't install the zip file from the USB OTG. Copy them into the /sdcard. Else you will get message after flashing repartition pack.
Code:
"Can not extract updater-script. Do you have it in package?
Updating partition details...
...done"
Link not working for the repartitioning package...
@rlw6534 should be fine now
Any chance you give details on backing up persist and EFS with dd command? I'm not really a noob but I also don't want to mess up my tab...
@rlw6534 You actually should't brake anything. Added an instruction how to backup EFS and persist.
OK. Tried to flash on a clean, freshly wiped system (Flo 32G), all stock, ext4 on cache and Data, TWRP 3.2.3-0. Got the following:
******Applying dark magic******
This is not a Nexus 7 (2013)
Updater process ended with ERROR: 1
How to restore files, that we copied from our tablet using dd command ? (I haven't done anything yet. Just asking)
Sent from my whyred using XDA Labs
@rlw6534 your partition table was modified.
@MikiGry same commands, just switch paths.
Clamor said:
@rlw6534 your partition table was modified.
@MikiGry same commands, just switch paths.
Click to expand...
Click to collapse
Do you mean that despite this error message:
******Applying dark magic******
This is not a Nexus 7 (2013)
Updater process ended with ERROR: 1
The partition table has been modified correctly?
@lollyjay No it wasnt. Package has 2 step security system. It checks if partition table was modified and in what way (by package itself, by user or it is stock). Second step is that package itself doesn't modify anything, it needs manual confirmation in terminal, else no changes will be applied.
Clamor said:
@lollyjay No it wasnt. Package has 2 step security system. It checks if partition table was modified and in what way (by package itself, by user or it is stock). Second step is that package itself doesn't modify anything, it needs manual confirmation in terminal, else no changes will be applied.
Click to expand...
Click to collapse
Thanks
So do I NOT flash the modded twrp first?
Your instructions said to flash it after reboot to recovery
@lollyjay actually it shouldn't metter, but after would be better
Clamor said:
@lollyjay actually it shouldn't metter, but after would be better
Click to expand...
Click to collapse
I'm going to do this when I get home. This might mean that flo/deb will get Android 9 Pie
@lollyjay look through UA ROM thread I wrote there about P on flo/deb
Clamor said:
@lollyjay look through UA ROM thread I wrote there about P on flo/deb
Click to expand...
Click to collapse
Sorry but can you give me a link?
Clamor said:
@rlw6534 your partition table was modified.
@MikiGry same commands, just switch paths.
Click to expand...
Click to collapse
I have previously used sysrepart.zip and sysrepartundo.zip from this thread, although not recently:
https://forum.xda-developers.com/showpost.php?p=76278047&postcount=19
I returned it to stock a while back (827MB). Perhaps I need to sgdisk a stock partition table?
@rlw6534 Every manual repartition or repartition made not by my pack needs an individual look and partition table restore.
@lollyjay here
Clamor said:
@rlw6534 Every manual repartition or repartition made not by my pack needs an individual look and partition table restore.
@lollyjay here
Click to expand...
Click to collapse
OK. Here is my partition layout. My userdata appears to be smaller than stock, but there isn't enough room on mmcblk0 to increase it to the size that your script is looking for. I have no idea how that could have been changed without bricking the tab. Everything else looks normal. Ideas?
Code:
Model: MMC MMC32G (sd/mmc)
Disk /dev/block/mmcblk0: 30937186304B
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number Start End Size File system Name Flags
1 67108864B 156745727B 89636864B fat16 radio
2 201326592B 204472319B 3145728B modemst1
3 204472320B 207618047B 3145728B modemst2
4 268435456B 283795455B 15360000B ext4 persist
5 335544320B 336343039B 798720B m9kefs1
6 336343040B 337141759B 798720B m9kefs2
7 402653184B 403451903B 798720B m9kefs3
8 403451904B 406597631B 3145728B fsg
9 469762048B 471298047B 1536000B sbl1
10 471298048B 472834047B 1536000B sbl2
11 472834048B 474931199B 2097152B sbl3
12 474931200B 480174079B 5242880B aboot
13 480174080B 480698367B 524288B rpm
14 536870912B 553648127B 16777216B boot
15 603979776B 604504063B 524288B tz
16 604504064B 604505087B 1024B pad
17 604505088B 606041087B 1536000B sbl2b
18 606041088B 608138239B 2097152B sbl3b
19 608138240B 613381119B 5242880B abootb
20 613381120B 613905407B 524288B rpmb
21 613905408B 614429695B 524288B tzb
22 671088640B 1551892479B 880803840B ext4 system
23 1551892480B 2139095039B 587202560B ext4 cache
24 2147483648B 2148532223B 1048576B misc
25 2214592512B 2225078271B 10485760B recovery
26 2281701376B 2281709567B 8192B DDR
27 2281709568B 2281717759B 8192B ssd
28 2281717760B 2281718783B 1024B m9kefsc
29 2348810240B 2348843007B 32768B metadata
30 2415919104B 30937169407B 28521250304B ext4 userdata
@rlw6534 Thanks!
If you want to make something like this for your device, check out this guide here
Since I no longer have an OP 7 series device, this mod is now deprecated and won't be receiving any more updates. @invernomut0 has made a continuation of this mod using orangefox recovery. Check it out here!
Team Win Recovery Project 3.x, or twrp3 for short, is a custom recovery built with ease of use and customization in mind. Its a fully touch driven user interface no more volume rocker or power buttons to mash. The GUI is also fully XML driven and completely theme-able. You can change just about every aspect of the look and feel.
Code:
#include <std_disclaimer.h>
/*
*
* We are not responsible for bricked devices, dead SD cards,
* thermonuclear war, or you getting fired because the alarm app failed. Please
* do some research if you have any concerns about features included in this ROM
* before flashing it! YOU are choosing to make these modifications, and if
* you point the finger at us for messing up your device, we will laugh at you.
*
*/
Compatibility
This has only been tested by me on Oxygen OS Stable - Android Q.
Disclaimer
This is a DANGEROUS mod. Anything involving repartitioning is. If you fail to read and bad things happen, that's on you. Although I thoroughly tested this (managed to brick my phone once), there's always the possibility that something could go wrong with the worst case scenario resulting in a brick.
YOU'VE BEEN WARNED - Use at your own risk
What is this?
This is @mauronofrio's TWRP (see official thread here) that's been modified for true dual booting by splitting userdata into a/b slots (also does the same for metadata for encryption support). The installer script repartitions userdata for dualboot or stock based on your input.
Limitations
See the section in the github readme. MAKE SURE YOU READ THIS!
Features:
Same as mauronofrio's TWRP
Can choose between stock layout, a/b userdata, or a/b/c userdata where 'c' is a common data partition that'll show up in both roms - it's quite handy
Option to choose between ext4 and f2fs
Disables verity - fstabs are modified for dual boot and so this is a must unless you choose stock layout in which case it's optional
Option to disable forced encryption
Option to install magisk
Common Data
I recommend the a/b/c layout which includes this common data partition
If you choose a/b/c layout - you'll have a/b userdata, but you'll also get a 3rd userdata partition I call 'Common Data'
The name 'Common Data' gives away its purpose - to store files that you'll access on both slots/roms. So stuff like zips, pictures, music, TWRP backups, etc.
In TWRP, this shows up as another storage option for backup/restore and on your pc as well - your phone will have 'Common Storage' and 'Internal Storage'
In order to be accessible when booted, some parts of the system are modified so that the it'll be accessible WITHOUT root by the following mechanisms:
- The common data partition is mounted to /sdcard/CommonData
- .nomedia file is placed in CommonData so files in it won't be picked up twice if you decide to mount over internal storage as outlined below
- Furthermore, if your use case is like mine where my music files are in common data, you can make 'mounts.txt' file in /datacommon containing a list of every FOLDER to mount directly over top of sdcard. So for example:
/datacommon/Music -> /sdcard/Music
+ This of course mounts over anything there (overwrites it for as long as it's mounted) so make sure that you don't have the same folder in both datacommon and regular data
+ Note that there are 3 exceptions to this folder mounting rule:
1) All - if this is the FIRST line, ALL folders in datacommon will be mounted
2 )Android
3) lost+found
+ The reasoning should be obvious - lost+found isn't something you should need to mess with and Android is for regular data partition only - that's OS specific and should be on separate slots
+ Note that you should have 1 folder listed on every line, for example:
Code:
DCIM
Music
Pictures
ViPER4AndroidFX
Flashing Instructions
You MUST be booted into TWRP already when flashing this zip. You can grab a bootable twrp img from here
Since this modifies data - the zip CANNOT be on sdcard or data at all UNLESS you do not want to repartition/format
- If you flash from data, the zip will copy itself to /tmp and instruct you to flash it from there OR you can just install twrp/magisk/disver-fec
- You could do the above or copy it to a place like /dev or /tmp and flash it from there
- Alternatively, you can adb sideload it
Read through ALL the prompts - there's lots of options
Note that if you change partition layout, THIS WILL WIPE ALL DATA INCLUDING INTERNAL STORAGE
How to Flash Roms - If you're NOT stock layout
Nothing changes here except ONLY FLASH IN TWRP
- Roms always flash to the opposite slot. Keep that in mind and you'll be fine
- So don't take an OTA while booted - boot into twrp, switch slots, reboot into twrp, flash rom
Normal flash procedure:
1) Boot into twrp
2) reboot into twrp selecting slot you do NOT want rom installed to
3) Flash rom
4) Flash this zip
5) Reboot into twrp
6) Flash everything else
Help! I Can't Boot!
Usually this is because you switched roms without formatting data first. This should be flashing 101 but we all forget sometimes. Plus this slot stuff can get confusing
If it only happens with a/b/c and not any other layout, there's a good chance it's selinux related. Try setting selinux to permissive at kernel level with this mod(source here). If this doesn't fix it, it could be because selinux can't be set to enforcing even with the mod depending on the rom
How to Manually Repartition Back to Stock
In the event any step in the repartioning fails, the entire installer aborts. The good news is that this prevents a potential brick. The bad is that you need to manually revert back. See the README on github for the procedure. Note that if the install went fine and you want to switch back to stock later, just flash the installer again and choose stock layout
Download
Source Code
Credits
Mauronofrio
Teamwin
CosmicDan
TopJohnWu
Very ****ing badass. ?
Wow, this is cool. Always wondered if something like this would be possible on AB partitioned devices.
Looking forward to testing it out
Does the dual boot mean I can boot two roms?
jaggillararla said:
Does the dual boot mean I can boot two roms?
Click to expand...
Click to collapse
Ya. You can have a different rom on each slot
Will it impact on my original data partition if I flashed this TWRP.( I means whether my original data being splitted into 2-individual-parition + 1-common-partition and I need to reinstall my data after entering system ?)
Kris Chen said:
Will it impact on my original data partition if I flashed this TWRP.( I means whether my original data being splitted into 2-individual-parition + 1-common-partition and I need to reinstall my data after entering system ?)
Click to expand...
Click to collapse
The installer will tell you if it'll wipe internal storage or not.
Basically, if you choose to change the partition layout, data will all be wiped since it'll be repartitioned. If you choose to keep your partition layout at the beginning of the install, your data will be fine.
You could just use this zip as twrp, magisk, verity/fec modifer/installer to save you the extra steps and keep with stock layout
This is super cool. Will be testing soon. Just to confirm, this means I can have a custom rom on one slot and oxygen os on the other? Also f2fs should work fine with common data right?
f41lbl0g said:
This is super cool. Will be testing soon. Just to confirm, this means I can have a custom rom on one slot and oxygen os on the other? Also f2fs should work fine with common data right?
Click to expand...
Click to collapse
Yup. You can do whatever you want with either slot. This mod formats all data partitions as ext4 since that's what oneplus does. You can always reformat userdata to f2fs in twrp gui later if you want though. Same goes for common data although I don't think there's a gui option for that
How does this zip to allocate the each size of userdata ? Can be customized by ourself or automated by zip itself ?
Kris Chen said:
How does this zip to allocate the each size of userdata ? Can be customized by ourself or automated by zip itself ?
Click to expand...
Click to collapse
From what I see it can not be customized through the flasher (may be possible by editing values in the zip). In case you were wondering the size of the partitions, they are 96.7gb for the common storage and 62.4gb each for the individual storages.
Kris Chen said:
How does this zip to allocate the each size of userdata ? Can be customized by ourself or automated by zip itself ?
Click to expand...
Click to collapse
f41lbl0g said:
From what I see it can not be customized through the flasher (may be possible by editing values in the zip). In case you were wondering the size of the partitions, they are 96.7gb for the common storage and 62.4gb each for the individual storages.
Click to expand...
Click to collapse
It's automated by installer. If you have a 128gb device:
32gb for each userdata slot, commondata gets what's left
256gb device:
Everything's doubled from above
Thank you for this work I have screwed up all of my partitions on my Oneplus and could use a pointer on how to restore all of the correct partitions... :-0
I must have screwed up one of the commands on restoring my original partitions here is what I have now
C:\Users\The Family>adb shell
OnePlus7Pro:/ # sgdisk /dev/block/sda --print
Creating new GPT entries.
Disk /dev/block/sda: 61409280 sectors, 234.3 GiB
Logical sector size: 4096 bytes
Disk identifier (GUID): B0281E2A-8376-4F4B-98C6-BF5221AD8A20
Partition table holds up to 128 entries
First usable sector is 6, last usable sector is 61409274
Partitions will be aligned on 256-sector boundaries
Total free space is 61409269 sectors (234.3 GiB)
Number Start (sector) End (sector) Size Code Name
OnePlus7Pro:/ #
What commands do I need to fix this. I can still get into adb shell
edit: msmtool cannot restore from this because the partitions are not correct from the way it looks when I try it. when in recovery touch does not work.
eyespunker said:
Thank you for this work I have screwed up all of my partitions on my Oneplus and could use a pointer on how to restore all of the correct partitions... :-0
I must have screwed up one of the commands on restoring my original partitions here is what I have now
C:\Users\The Family>adb shell
OnePlus7Pro:/ # sgdisk /dev/block/sda --print
Creating new GPT entries.
Disk /dev/block/sda: 61409280 sectors, 234.3 GiB
Logical sector size: 4096 bytes
Disk identifier (GUID): B0281E2A-8376-4F4B-98C6-BF5221AD8A20
Partition table holds up to 128 entries
First usable sector is 6, last usable sector is 61409274
Partitions will be aligned on 256-sector boundaries
Total free space is 61409269 sectors (234.3 GiB)
Number Start (sector) End (sector) Size Code Name
OnePlus7Pro:/ #
What commands do I need to fix this. I can still get into adb shell
edit: msmtool cannot restore from this because the partitions are not correct from the way it looks when I try it. when in recovery touch does not work.
Click to expand...
Click to collapse
I have the steps outlined here: https://github.com/Zackptg5/TWRP-DualBoot-Guac-Unified/#how-to-manually-repartition-back-to-stock
But what did you do? It looks like you formatted all of /dev/block/sda which is essentially a brick. You are able to restore that with msmtool btw but there will still be some device specific data that is lost and you'll likely need to file warranty claim
Zackptg5 said:
I have the steps outlined here: https://github.com/Zackptg5/TWRP-DualBoot-Guac-Unified/#how-to-manually-repartition-back-to-stock
But what did you do? It looks like you formatted all of /dev/block/sda which is essentially a brick. You are able to restore that with msmtool btw but there will still be some device specific data that is lost and you'll likely need to file warranty claim
Click to expand...
Click to collapse
It was this step that I really messed up
Final step is to format the new userdata partition: mke2fs -t ext4 -b 4096 /dev/block/sda$userdata_num $userdata_size - where userdata_size can be calculated with this shell command: sgdisk /dev/block/sda --print | grep "^ *$userdata_num" | awk '{print $3-$2+1}'
with this step I used the result from sgdisk /dev/block/sda --print | grep "^ *$userdata_num" | awk '{print $3-$2+1}' I do not remember the value into the spot where userdata_size was
It looks like have been able to flash partitions manually in fastboot but the two partitions that are no longer recognized are the system_a and system_b the reason I say that is because vendor and boot flash fine on both a and b partitions. and when I send the commands to flash system a or b the reply is partition not found?! I am not sure if it would fix my problem but if I could get help to restore system partitions maybe I can get this thing to boot up.
eyespunker said:
It was this step that I really messed up
Final step is to format the new userdata partition: mke2fs -t ext4 -b 4096 /dev/block/sda$userdata_num $userdata_size - where userdata_size can be calculated with this shell command: sgdisk /dev/block/sda --print | grep "^ *$userdata_num" | awk '{print $3-$2+1}'
with this step I used the result from sgdisk /dev/block/sda --print | grep "^ *$userdata_num" | awk '{print $3-$2+1}' I do not remember the value into the spot where userdata_size was
It looks like have been able to flash partitions manually in fastboot but the two partitions that are no longer recognized are the system_a and system_b the reason I say that is because vendor and boot flash fine on both a and b partitions. I am not sure if it would fix my problem but if I could get help to restore system partitions maybe I can get this thing to boot up.
Click to expand...
Click to collapse
The formatting steps is how I initially bricked my phone when I was figuring this stuff out - I since fixed that issue and made sure it'd never happen again in the zip :/
Why were you manually restoring? Did the zip cut off with partition error?
You'll need to use msmtool in this case. Even if your partition block is completely toast, it's able to bring it all back. You can grab the latest one from here: https://androidfilehost.com/?w=files&flid=296306
And here's the guide for it: https://forum.xda-developers.com/oneplus-7-pro/how-to/msm-tool-guac-t3934691
Zackptg5 said:
The formatting steps is how I initially bricked my phone when I was figuring this stuff out - I since fixed that issue and made sure it'd never happen again in the zip :/
Why were you manually restoring? Did the zip cut off with partition error?
You'll need to use msmtool in this case. Even if your partition block is completely toast, it's able to bring it all back. You can grab the latest one from here: https://androidfilehost.com/?w=files&flid=296306
And here's the guide for it: https://forum.xda-developers.com/oneplus-7-pro/how-to/msm-tool-guac-t3934691
Click to expand...
Click to collapse
When I run the latest 10.4 global I get "device does not match image" and then under status I loose connection. I have also tried the 10.31 file with no luck either.
eyespunker said:
When I run the latest 10.4 global I get "device does not match image" and then under status I loose connection. I have also tried the 10.31 file with no luck either.
Click to expand...
Click to collapse
In msmtool? Do you have the right variant?
Latest global: https://androidfilehost.com/?fid=4349826312261732245
Latest europe: https://androidfilehost.com/?fid=4349826312261732244
Download mode is really tricky too. It times out after several seconds so you pretty much have to keep holding down the key combo until msmtool picks it up and then you can release them
Zackptg5 said:
In msmtool? Do you have the right variant?
Latest global: https://androidfilehost.com/?fid=4349826312261732245
Latest europe: https://androidfilehost.com/?fid=4349826312261732244
Download mode is really tricky too. It times out after several seconds so you pretty much have to keep holding down the key combo until msmtool picks it up and then you can release them
Click to expand...
Click to collapse
I have now tried the latest two and have come up with the same results on the update when the device param load the result of the last communication is device does not match image.
eyespunker said:
I have now tried the latest two and have come up with the same results on the update when the device param load the result of the last communication is device does not match image.
Click to expand...
Click to collapse
Sounds like you may need to file a warranty claim then :/