Question about unlocking and ROM installation routine - LeEco Le Max 2 Questions & Answers

Hello,
I just ordered my X820 for dirt cheap (€136). I wanted to ask you about the routine of getting custom ROMs up and running.
From what I understand the procedure is the following:
1. Activate USB debugging and OEM unlocking
2. Go to fastboot and use OEM unlock
3. Fastboot flash recovery TWRP.img
4. Boot into TWRP and format data????
5. Wipe system, caches, data, blah blah
6. Sideload lineage.zip, gapps.zip and magisk.zip eventually
7. Profit
Is this procedure correct? On my other (Xiaomi Redmi Note 3) phone I skipped formatting data and it still worked.
I don't need the stock ROM backup, lineage is the main reason I purchased this device.

I would fastboot TWRP before flashing it and do a full backup. You may need it at some point to fix fingerprint sensor or camera or return the phone to factory state in case of a warranty claim.
The procedure you describe is right, but no need to format data.

popoyaya said:
I would fastboot TWRP before flashing it and do a full backup. You may need it at some point to fix fingerprint sensor or camera or return the phone to factory state in case of a warranty claim.
The procedure you describe is right, but no need to format data.
Click to expand...
Click to collapse
I saw a guide where it says I should boot into TWRP (yes, boot into TWRP, via fastboot) and do a backup from there... Than actually install TWRP and other zips. So I'll do that, thanks.

Heyyo, formatting data is a good step because EUI ROM does some odd data partitioning and prevents custom ROMs from fully utilizing the data partition unless they do format data (it could show up as only 30GB available instead of closer to 54GB since the system partition takes a chunk of the 64GB and so on).
Also, I'd recommend OmniROM over LineageOS. LOS 14.1 is pretty good but OmniROM is more stable and has SafetyNet Google Certification without the need for Magisk hide and potentially Universal SafetyNet fix module.
If you want a ROM with similar environment to LOS 14.1 but with further enhancements to EAS, vendor and device tree? I'd recommend SlimRoms as it has a lot of good tweaks. SlimRoms does require Magisk Hide and for some they also require Universal SafetyNet fix module.
Ps. For some sideloading doesn't work but this does:
adp push nameoffile.zip /sdcard
Which copies the zip to the root of the sdcard folder.
Psps. once you flash a custom ROM you will want to flash an updated modem firmware as it fixes the fingerprint reader when the device sleeps for Nougat and experimental Oreo ROMs.
I recommend either the Chinese 26s 05.09 stable one here
https://yadi.sk/d/woKdrlRrv8yhr/Китай
And some also say developer 466D works better for them so experiment as you wish
https://yadi.sk/d/woKdrlRrv8yhr/Для разработчиков

ThE_MarD said:
Heyyo, formatting data is a good step because EUI ROM does some odd data partitioning and prevents custom ROMs from fully utilizing the data partition unless they do format data (it could show up as only 30GB available instead of closer to 54GB since the system partition takes a chunk of the 64GB and so on).
Also, I'd recommend OmniROM over LineageOS. LOS 14.1 is pretty good but OmniROM is more stable and has SafetyNet Google Certification without the need for Magisk hide and potentially Universal SafetyNet fix module.
If you want a ROM with similar environment to LOS 14.1 but with further enhancements to EAS, vendor and device tree? I'd recommend SlimRoms as it has a lot of good tweaks. SlimRoms does require Magisk Hide and for some they also require Universal SafetyNet fix module.
Ps. For some sideloading doesn't work but this does:
adp push nameoffile.zip /sdcard
Which copies the zip to the root of the sdcard folder.
Click to expand...
Click to collapse
Thanks for the valuable info. I appreciate OmniROM, and SlimRom, and basically everyone that has contributed with a line of code. But I'm more of a LineageOS guy, I like the official Lineage stuff.
You say that on the official TWRP adb sideload doesn't work??? Edit: Oh I see, I will try, if that fails I will use push, thanks again.

ThE_MarD said:
I recommend either the Chinese 26s 05.09 stable one here
https://yadi.sk/d/woKdrlRrv8yhr/Китай
And some also say developer 466D works better for them so experiment as you wish
https://yadi.sk/d/woKdrlRrv8yhr/Для разработчиков
Click to expand...
Click to collapse
After I get the device out of the box I will update to the latest available update from the EUI updater, then I will proceed to install custom ROMs. On my other device doing that update updates the firmware as well, is this the case with this device?

Happy Hepatitis said:
After I get the device out of the box I will update to the latest available update from the EUI updater, then I will proceed to install custom ROMs. On my other device doing that update updates the firmware as well, is this the case with this device?
Click to expand...
Click to collapse
Heyyo, yes they do as they include the firmware files.
Updating to one of the latest EUI versions requires upgrading to the same locale version.
If your phone is an x820 (it'll say on the back of the device) then Chinese 26s is the official latest but there is a leaked 28s.
If your device is a x829 like mine? They come with EUI 5.8.016s which is a modified vendor version that blocks updating even via the update.zip method... So that one you would be screwed and would need to unlock bootloader and then try either fastboot or TWRP flashing a different version of EUI ROM.
Sadly the LeEco official servers were down last I checked but there is a thread in the guides section that has links to the latest versions and I think Google drive backup links too.
I think x821 might be the India model but I could be wrong. If so then their latest is EUI 19s

ThE_MarD said:
Heyyo, yes they do as they include the firmware files.
Updating to one of the latest EUI versions requires upgrading to the same locale version.
If your phone is an x820 (it'll say on the back of the device) then Chinese 26s is the official latest but there is a leaked 28s.
If your device is a x829 like mine? They come with EUI 5.8.016s which is a modified vendor version that blocks updating even via the update.zip method... So that one you would be screwed and would need to unlock bootloader and then try either fastboot or TWRP flashing a different version of EUI ROM.
Sadly the LeEco official servers were down last I checked but there is a thread in the guides section that has links to the latest versions and I think Google drive backup links too.
I think x821 might be the India model but I could be wrong. If so then their latest is EUI 19s
Click to expand...
Click to collapse
It's a X820 4GB RAM 32GB storage version, I ordered it from geekbuying.

Happy Hepatitis said:
It's a X820 4GB RAM 32GB storage version, I ordered it from geekbuying.
Click to expand...
Click to collapse
Ah cool! You should be lucky then and not be stuck on one of those vendor ones like my x829.
The easy way to tell is in your settings you will have an update checker. My x829 did not and wouldn't let me try the recovery update.zip method.
So you'll want to get the EUI ROM latest for your phone and then rename it to update.zip and place it into the root of your sdcard (/sdcard) and then boot to recovery and there should be a selection for "update from file".
https://forum.xda-developers.com/le-max-2/how-to/le-max-2-official-stock-firmware-links-t3433761/

Related

[Oreo][Stock][Rom] TWRP Flashable Stock Builds

About this project
This project provides repackaged Stock Oreo roms that can be flashed by TWRP. Modifications from stock are listed below.
As we are now moving into the Oreo world, I've decided that now is a good time to make a few changes to how things were done previously with Nougat. Please pay attention to the next few sections.
Modifications from stock
Note - It seems that I can't get DM-verity nor forced encryption disabled. The location of the fstab.qcom file is no longer in the Boot image. I found a similar file in the system image, but changing that appears to have had no effect. In order to disable these, use Magisk. UPDATE - Resolved since soak test 2, and soak test 1 with Aroma installer
DM-verity is disabled
Forced encryption of the data partition is disabled. It is still possible to encrypt the partition if you wish (optional with Aroma installer)
The partition table and boot loader are not included, which makes it safer to up/down-grade.
Do not attempt to apply standard OTAs over these builds. They'll probably fail, worst case they will brick your phone
Differences from previous Nougat builds
These roms are suitable for all channels. Previously there was separate firmware for different regions (e.g. retin had a separate build from retus), but as a general rule you are safe with any region's firmware.
I have now started using the Aroma installer for Oreo builds. Some of the below is now customisable at install time. Aroma installer zips will have "-aroma" in their filename.
The modified boot logo will no longer be included in the rom download. A separate zip will be provided to just flash the modified logo.
EFS will be erased on install! If your persist is intact, EFS will recreate itself. With the amount of exposure that the lost IMEI issue has had, all should be very familiar with the importance of backing up persist and EFS. And those that have had a compromised persist, will know that they should be hanging on to their EFS backups for dear life. Full details of the issue and solution (for those with intact persist) is here: Fix Persist, resolve IMEI=0, Volte, 4G, Explanation, Requirements From my perspective, the EFS is erased installing OTAs for a reason. I don't know what it is myself, but the folks at Motorola build it into their OTAs and they know far better than I do.
As a mitigation to the risk of people forgetting/losing their EFS and / or Persist backups, I will have a very crude backup system integrated into the zips. However, it will take some skill / knowledge to restore from these backups, and they should not be relied upon over the long term. Refer to the second post for more details.
Important information if downgrading to Nougat and Custom Oreo roms
The Oreo roms will change the ownership of specific files and folders in the /persist folder. As a result of this, stock Nougat will have issues such as lost IMEI, no Volte, no 4G, etc. In order to overcome these issues, either follow the instructions in the link above, or flash the following zip in TWRP.
potter-stock-persist-fix.zip
Additionally, the latest Nougat builds with the Aroma installer will apply the persist fix when installed.
Another potential issue is that, as a result of various partitions being updated, the new Oreo blobs may not be compatible with existing Nougat roms (stock or custom), or even current Custom Oreo roms. This may result in issues such as the fingerprint reader not working, etc.
UPDATE: Some custom roms are now using the Oreo blobs. However, if you require the older Nougat blobs, you can downgrade through one of the following methods:
1) install one of the latest Stock Nougat TWRP flashables. This will ensure that all affected partitions are compatible with Stock Nougat and Custom Oreo roms. You can get these from this thread here:
[Nougat][Stock][Rom] TWRP Flashable Stock Builds
2) install one of the firmware-only zips from the below folders. Note that if this results in other odd behaviour, you may need to install and boot into a full stock Nougat firmware as above. The main benefit of these zips is that they are much smaller, ~50MB rather than ~1.4GB.
https://www.androidfilehost.com/?w=files&flid=273039
potter-firmware-92-14.zip is for retin, retla, retbr
potter-firmware-93-14.zip is for retus, retapac, reteu
Out of respect for the purpose of this thread, please keep questions about whether or not to use Nougat or Oreo firmware for particular custom ROMs in the thread for the custom ROM you are trying to use. I do not support other custom ROMs - the maintainers of those custom ROMs should provide guidance.
Usage
Steps to flash
Ensure you have the latest TWRP
Download an appropriate zip from one of the links below
Copy to the phone or SD card
BACKUP YOUR DATA, INCLUDING EFS AND PERSIST
Flash the zip via TWRP
Optionally flash Magisk etc - NOTE - in order to disable dm-verity and forced encryption you must flash magisk before rebooting Resolved since Soak Test 2 and Soak Test 1 Aroma installer, Magisk is optional
Reboot
Profit?
How you can help with new builds
If your phone gets an OTA notification for a build that has not been released, please pull it and share it in this thread:
When the notification is received, allow your phone to download the OTA
Power off and boot into recovery
Go to Advanced -> File Manager
Navigate to /cache
There will be a file Blur_Version_x.y.z.potter.blah.zip - Note - Oreo OTAs may not be named this way, they may be named according to the version of the rom that is currently installed
Copy it to internal storage or the sdcard
Copy to PC (optional)
Upload to Mega, Google Drive, wherever
Share the link
You can also remove the file from the /cache folder to prevent any auto-updates from happening.
Latest versions
The 85-13 series is released to most channels except retus, and the last update was to 85-17-2.
The 85-17 series is released to the retus channel.
However, all releases can be used with all channels.
Official Oreo OPSS28.85-17-6-2 (Oreo 8.1, 1 February 2019 security patches) - Aroma Installer
Android File Host - potter-twrp-flashable-OPSS28.85-17-6-2-aroma.zip
Official Oreo OPSS28.85-17-6 (Oreo 8.1, 1 February 2019 security patches) - Aroma Installer
Android File Host - potter-twrp-flashable-OPSS28.85-17-6-aroma.zip
All versions that I have created will be placed in this folder (or the Archive sub-folder) at Android File Host:
Android File Host - Potter TWRP Flashable Stock Oreo
Modified Boot Logo
Optional, only needs to be flashed once. Replaces the warning screen with the standard logo. Can't hide the N/A. If you want to hide the N/A, go to the themes forum.
potter-logo.zip
Kernel Sources
Kernel sources are provided by Motorola:
https://github.com/MotorolaMobilityLLC/kernel-msm/
XDA:DevDB Information
Potter Oreo TWRP Flashable, ROM for the Moto G5 Plus
Contributors
NZedPred
ROM OS Version: 8.x Oreo
ROM Kernel: Linux 3.x
Version Information
Status: Stable
Created 2018-08-17
Last Updated 2019-12-28
FAQs
Frequently Asked Questions
What is the 'very crude backup system integrated into the zips'?
This is a script that is run at the start of the install. It's purpose is very simple - it creates "dd backups" (i.e. bit-perfect images) of the modemst1/2 and persist partitions. They are stored in your sdcard as "backup_yyyymmddHHMMSS_modemst1.img", etc., where yyyymmddHHMMSS represents the date and time the script was run.
For this to work, your data partition must be mounted. I haven't included any checks for this (I'm not really a shell script person - it would take me hours to get this sort of thing right) - this is what puts the "crude" in "very crude backup system". UPDATE - the aroma installers now check that data is mounted, and abort the install if not. Most of the time the data partition will be mounted in TWRP, so this will work 99% of the time. Caution should still be applied, and you should still copy these or any other backups to cloud storage to be safe.
OK, so if I needed to use these backups, how do I restore them?
To restore these, you will have to reboot into TWRP and open up a shell or use adb. The commands to restore each partition are as follows (replacing yyyymmddHHMMSS with the appropriate values of course):
Code:
dd if=/sdcard/backup_yyyymmddHHMMSS_modemst1.img of=/dev/block/bootdevice/by-name/modemst1
dd if=/sdcard/backup_yyyymmddHHMMSS_modemst2.img of=/dev/block/bootdevice/by-name/modemst2
dd if=/sdcard/backup_yyyymmddHHMMSS_persist.img of=/dev/block/bootdevice/by-name/persist
Note that these commands are very powerful, and applied incorrectly can result in you bricking your phone if you overwrite the wrong partition.
So are dm-verity and forced encryption now not able to be disabled?
OK some history... Nougat had fstab (file system table) in the boot image. So in those days, I would open up the image, and edit the fstab.qcom file, do the appropriate changes, repack the boot image, and all is fine.
Now, under Oreo, the fstab file is not in the boot image, it's under /system/vendor/etc/fstab.qcom or similar. Editing that file appears to have no effect. For now, Magisk is the easiest way of disabling both, but you must make sure to install it immediately after installing the rom and before rebooting.
Update - this is now resolved in the second Oreo soak test download. dm-verity is still disabled in the boot image, but a completely different way. Once this is done, disabling forced encryption works as expected.
Which partitions are modified?
The short of it is this - boot, system and 'firmware'-related partitions. None of the bootloader partitions are updated. The full list of partitions that are written is:
modem
fsg
dsp
boot
system
oem
Note that this list applies to the Nougat and Oreo flashable zips.
TWRP is no longer installed after flashing this
I believe this is related to dm-verity (see above). You will have to first reinstall TWRP via fastboot. When TWRP is back, install magisk immediately after installing the rom, and before rebooting.
I'm having problems with an Oreo custom rom after installing this rom, what can I do?
Refer to the OP, the section about downgrading to Nougat - the same approach applies. Oreo Custom roms will have been based upon the available Nougat blobs that were available. As the blobs have been updated in the Oreo release, the issue is that they are not compatible. So install a full TWRP Nougat zip and then install your Oreo Custom rom.
Dirty or clean flash?
I did a dirty flash, as I came from the latest Nougat stock rom. Keep in mind that this is nothing more than the OTA applied to the previous Nougat build and packaged into a TWRP zip. So, as long as you have come from (the latest) Stock Nougat, you should be able to dirty flash, as that would be the use-case for the OTA. If you were on another rom, clean flash required.
Once you are on one of these builds, you can dirty flash subsequent builds. Again, this would be just like flashing one OTA after the other. Also note that these builds are complete in their own right, you don't need to incrementally flash - you can flash the latest to get the full install.
My device was encrypted, and I really need to decrypt it. How can I do this?
Sorry, but the only way is to format the data partition. That means you will need to backup your data, and your internal storage as well (/sdcard). After backing up, use TWRP to format the partition. From the TWRP main menu, select Wipe > Format Data. Then follow the on-screen instructions.
Is it 32 bit or 64 bit
32 bit. We've known this would be the case for a long time.
How can I create flashable zips myself?
I created the guide below, and it has been updated for Oreo. A word of warning, it is not for the faint of heart. You will need to have a good understanding of the Linux command line, and be able to understand the techniques that are being taught, rather than expecting that the process is a 'step-by-step'. Adaptability is key here.
[GUIDE] Creating TWRP Flashbale Stock roms
What are the new Aroma zips?
The aroma zips use the Aroma installer. Some of you may have seen the Aroma installer for Open Gapps. The key here is that I, as the packager, can build in selection options into the installer. It's all available as a nice GUI for the users to pick and choose from the options I've provided. Here are the options that are available:
Do backups - does the backups as mentioned earlier in the FAQs.
Erase EFS - erases modemst1 and modemst2, as described in the first post. Also DDR is erased, but I'm not sure what purpose that has but it may as well go together with these.
Install Firmware - installs the following partitions - modem, fsg, dsp; each of these has something to do with hardware / connectivity.
Install System - Installs the following partitions - boot, system, oem.
Apply patches - as long as Install System is selected, will install the patched boot image with dm-verity disabled, and will edit the fstab (filesystem table) to disable forced encryption.
On soak test 2 or later, I have my IMEI but no signal. What can I do?
In all cases where this has happened, the user's phone has relied upon an EFS backup for IMEI, due to flashing another persist. In these cases, it appears that the only way to get a signal is to use the firmware (i.e. modem, fsg, dsp - refer previous FAQ) from soak test 1. We're probably seeing here that the EFS does in fact need to be recreated to be valid. Unfortunately for these users, by not having their own persist, they are stuck with an old EFS and the newer firmwares appear to not work.
To do this
if you are already on Soak Test 2 or later, download the Soak Test 1 firmware download at either of these links:
Android File Host - oreo-soak1-firmware.zip
Dropbox - oreo-soak1-firmware.zip
If you are on Soak Test 1, install Soak Test 2 or later / official aroma installer and de-select firmware
My fingerprint is not working on my custom ROM
Refer to the thread for your custom ROM, and ask questions there. In short, Nougat and Oreo firmware are not compatible with each other. Many custom ROMs are now using Oreo firmware, whereas previously (before October 2018) pretty much all custom ROMs were using Nougat firmware. It's messy now, but please ask the questions in the right place (which is NOT this thread).
My touchscreen isn't working after flashing, even within TWRP
This seems to happen somewhat rarely, although I don't know what the cause is. As it affects TWRP as well, and TWRP uses the 'modem' partition for getting its firmware blobs, I guess it's possible that this particular partition is getting a conflicting modification whilst flashing, which is causing problems (but this is purely speculation on my part).
To solve, fastboot flashing the stock ROM appears to work. It may also be possible whilst in TWRP to manually flash the partitions via ADB, but that takes a bit of work and knowledge. Until someone can truly work out what's happening and the minimum required to fix it, stick with fastboot.
Update - refer to post #3 for the latest information about this issue.
Touch screen unresponsive even in TWRP
The below post has the latest information on the Touch Screen Unresponsive issue
Likely Cause
From the testing that I've done to reproduce the issue, as far as I can tell the issue is that Stock Oreo is not able to be safely applied over the top of old builds of Stock Nougat. Furthermore, it doesn't seem to matter if you were on Custom ROMs after you were last on Stock Nougat, just what Stock Nougat build you were on last.
Avoiding the Issue
Again the key here is what build of Stock you were on last (and I guess booted into). So, if you were never on Stock Oreo, and you aren't sure what version of Stock Nougat you were on last, then the safest path to getting these builds working is to first flash the latest Nougat Stock ROM.
Get the latest from this thread: [Nougat][Stock][Rom] TWRP Flashable Stock Builds
Once you have flashed the latest Nougat, boot once to make sure everything is working. After that, you should be able to safely upgrade to Oreo.
Fixing the Issue
If you have been affected by the issue, most people have been able to get back the touch screen functionality by flashing a fastboot version of the ROM. However, as long as you have a PC handy you will be able to flash using TWRP as well via adb, using the steps detailed below. A third option is to connect a USB Mouse via an USB OTG adapter.
Note that for either method via TWRP, you cannot use the versions of the ROM with the Aroma installer, as the mouse is not supported within, and there is no way of providing input by adb.
Downloads
The 92-14 or 93-14 versions should be suitable. They are in these links (these do not erase EFS, so for the paranoid, you will retain your IMEI):
twrp-flashable-potter-NPNS25.137-92-14-no-erase-modemst.zip
twrp-flashable-potter-NPNS25.137-93-14-no-erase-modemst.zip
TWRP Commands
Once in TWRP, connect your USB cable. To copy the downloaded file into your internal storage (adapt the filename for the version you downloaded):
Code:
adb push twrp-flashable-potter-NPNS25.137-92-14-no-erase-modemst.zip /sdcard/
If you want to backup, you can do this via the command line as well. I haven't tested this myself, but the commands are available here: https://www.pocketables.com/2014/10/using-twrps-new-adb-interface.html
The example provided uses the following to back up system, data and boot, and compress:
Code:
adb shell twrp backup SDBOM
You will need to do a clean flash, so these commands will wipe data / factory reset and then install
Code:
adb shell
twrp wipe data
twrp install /sdcard/twrp-flashable-potter-NPNS25.137-92-14-no-erase-modemst.zip
reboot
After the reboot, you should have your touch screen functionality back. Then reboot to recovery, and install Oreo as normal. If for any reason the Oreo flash doesn't work, try the steps again, but rather than installing the latest Oreo, install an earlier one.
Awesome bro...
You Rock...
you even included auto backup of efs and persist ... wow thats very thoughtfull and nice of you...
hatsoff..
:good::good:
Thanks dude, downloading
Edit: working like a charm, again thanks.
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Thanks for uploading. Two questions though...
1. which one would be suitable for retin? (India)
2. Are there any bugs?
working for retin also thnx
Question: I'd like to flash this, but I'm planning to roll back in the future to take the OTA back up to O. If I restore nougat system, boot, persist, recovery, oem will that still be possible? I see some other stuff in the zip like adspo.bin, fsg.mbn, and modem. Not sure if those it lead to OTA failures or a brick.
also, nice job on the persist/efs script!
Worked on retin also thanks. Great work!!!!
I'm pretty sure forced encryption of the data partition is still enabled.
pfonck said:
I think forced encryption of the data partition is still enabled (formatting the data partition in TWRP does not help).
Click to expand...
Click to collapse
If that's the case magisk is probably needed to turn it off. Sorry, but I've only tested it with magisk installed. Moto have changed the fstab location, I thought I got it but maybe it's cosmetic and doesn't do anything. Will update OP when I get a chance.
NZedPred said:
If that's the case magisk is probably needed to turn it off. Sorry, but I've only tested it with magisk installed. Moto have changed the fstab location, I thought I got it but maybe it's cosmetic and doesn't do anything. Will update OP when I get a chance.
Click to expand...
Click to collapse
Yes, when you do;
rom installation > format data > flash magisk
everything is okay
verified.
Did Moto make Oreo 64bit?
redbeard1083 said:
Question: I'd like to flash this, but I'm planning to roll back in the future to take the OTA back up to O. If I restore nougat system, boot, persist, recovery, oem will that still be possible? I see some other stuff in the zip like adspo.bin, fsg.mbn, and modem. Not sure if those it lead to OTA failures or a brick.
also, nice job on the persist/efs script!
Click to expand...
Click to collapse
Good question, and this is something that I needed to consider before doing this, in case everyone installed this and we'd have no path to get to official Oreo.
Refer to the section in the OP "Important information if downgrading to Nougat". Basically you need to follow all of that to be able to get notification of the OTAs. Once the official public Oreo OTA is available, I will then put together a zip based upon the pre-requisite nougat rom with the official Oreo OTA.
I also believe that one or both of the 1 July 2018 and/or 1 August 2018 patches were announced, but neither were for Oreo. I do intend to keep Nougat up to date as well in its thread.
NZedPred said:
Good question, and this is something that I needed to consider before doing this, in case everyone installed this and we'd have no path to get to official Oreo.
Refer to the section in the OP "Important information if downgrading to Nougat". Basically you need to follow all of that to be able to get notification of the OTAs. Once the official public Oreo OTA is available, I will then put together a zip based upon the pre-requisite nougat rom with the official Oreo OTA.
I also believe that one or both of the 1 July 2018 and/or 1 August 2018 patches were announced, but neither were for Oreo. I do intend to keep Nougat up to date as well in its thread.
Click to expand...
Click to collapse
How did a recovery come in? with volume - and power enters and I say without command
JC Pzy said:
How did a recovery come in? with volume - and power enters and I say without command
Click to expand...
Click to collapse
I've only just added something to the FAQ (post 2) that covers this. Sorry, it was unexpected and didn't come up when I was testing as I always had magisk installed. Follow these steps:
TWRP is no longer installed after flashing this
I believe this is related to dm-verity (see above). You will have to first reinstall TWRP via fastboot. When TWRP is back, install magisk immediately after installing the rom, and before rebooting.
NZedPred said:
I've only just added something to the FAQ (post 2) that covers this. Sorry, it was unexpected and didn't come up when I was testing as I always had magisk installed. Follow these steps:
TWRP is no longer installed after flashing this
I believe this is related to dm-verity (see above). You will have to first reinstall TWRP via fastboot. When TWRP is back, install magisk immediately after installing the rom, and before rebooting.
Click to expand...
Click to collapse
I do not have a PC to reinstall the recovery
NZedPred said:
Good question, and this is something that I needed to consider before doing this, in case everyone installed this and we'd have no path to get to official Oreo.
Refer to the section in the OP "Important information if downgrading to Nougat". Basically you need to follow all of that to be able to get notification of the OTAs. Once the official public Oreo OTA is available, I will then put together a zip based upon the pre-requisite nougat rom with the official Oreo OTA.
I also believe that one or both of the 1 July 2018 and/or 1 August 2018 patches were announced, but neither were for Oreo. I do intend to keep Nougat up to date as well in its thread.
Click to expand...
Click to collapse
Maybe I'll try tweaking the zip to see if we can run it without the stuff we can't easily backup/restore with twrp. I'll take a stab at it shortly and let you know what happens if we flash just system, boot, and OEM.
redbeard1083 said:
Maybe I'll try tweaking the zip to see if we can run it without the stuff we can't easily backup/restore with twrp. I'll take a stab at it shortly and let you know what happens if we flash just system, boot, and OEM.
Click to expand...
Click to collapse
You can give it a go, but I've already done some very brief testing. Using the Nougat modem partition on the Oreo system results in things like 3G only, fingerprint not working.
JC Pzy said:
I do not have a PC to reinstall the recovery
Click to expand...
Click to collapse
I'm guessing you don't have root either? If you did, you could try installing it from a shell from within the rom:
Code:
su
dd if=/path/to/twrp.img of=/dev/block/bootdevice/by-name/recovery

[Project Treble][SM-T820][SM-T825] based on Android 9.0 20190408

I'm not responsible for any damage to your device of any sort.
By flashing this you take responsibility of anything that happens.
Process at your own risk!
If you want to check firmware - please make backup.
Notes
The idea of this project treble is to separate the device-dependent part and the system.
The project treble requires a separate /vendor partition for device-dependent part. But unfortunately we do not have it. But we have a /cache partition, which takes about 200mb and there is a /hidden partition, which takes 50-60mb. 200mb is not enough for us, our vendor is about 450mb.
In the first edition I maded for the 825 tablet, I implement an original solution using separate files for the system and the vendor. But this solution was very difficult to understand. Now my good friend @bonuzzz suggested an idea to me using a compressed partition (squashfs with lz4 compression). With this method, our vendor takes 190-195mb and it is possible to write it to the /cache partition. And use the /hidden partition as a /cache.
Now the installation has become much easier, almost like installing the usual lineage.
Installation
1. install twrp version with treble support (this is my special twrp, based on 9.0 with my latest caf kernel with squashfs support)
2. download treble zip and flash it as usual zip. It will flash boot.img and /vendor partition (in /cache)
3. download any treble system (64bit System A-only) image from: https://forum.xda-developers.com/project-treble
extract, you should get .img file, then copy to sdcard/extsd card and then flash image as system_image in twrp (Install - switch to Install Image and flash as System Image)
4. if you wanna back to stock firmware or lineage - you need flash normal twrp version and make full wipe or just flash stock firmware via odin
Links
Firmware
[SM-T820]
1. 20190404: https://drive.google.com/file/d/1hOPdO9UajY7AlJ5lE859Tr6Y7sEpwhTf/view?usp=sharing
[SM-T825]
1. 20190408: https://drive.google.com/file/d/1DokV37D8f2s9OtoAJTCURfdx88tNW788/view?usp=sharing
TWRP
[SM-T820]
1. 20190404: https://drive.google.com/file/d/1gJ50Sg75Vh7PKyiWfejiCPSD0SYCL5p2/view?usp=sharing
[SM-T825]
1. 20190408: https://drive.google.com/file/d/1x_MKQ1PDM6eEbSPsDyFk0DABjXnZfyB4/view?usp=sharing
System images
You can use almost any system image from https://forum.xda-developers.com/project-treble
Our version is: arm64 and a-only image
Magisk
You should use only latest 19.0 beta version from: https://forum.xda-developers.com/apps/magisk/official-magisk-v7-universal-systemless-t3473445
Do not use 18.1 or early version - it's dnw, it will corrupt firmware or may be even corrupt recovery (need flash recovery again via odin)
Almost all firmware say about wrong vendor version. This is normal, just press OK.
let's experiment together!
Version for SM-T825 hope will come soon too. I have some ril issues.
Update boot.img
Wow! Thank you for the amazing work. I seriously can't believe no one hasn't gone crazy over this already.
How would I go about adding some libraries to my /vendor partiton now? I want to try a Samsung OneUI GSI image on my tablet but it requires additional libraries.
The files I want to add are in here: https://mega.nz/#!oi52TSTY!2Qy3WU7DjVmafs4zENPF6dlOsbY06JG5NuvsNeDTRn4
How did you build this file in the first place?
EDIT: I noticed that video playback does not work. I see the video starts to buffer, then some ghosting appears, and finally the app crashes (both YouTube and Vimeo). Also, camera apps seem to crash.
cephasara said:
EDIT: I noticed that video playback does not work. I see the video starts to buffer, then some ghosting appears, and finally the app crashes (both YouTube and Vimeo). Also, camera apps seem to crash.
Click to expand...
Click to collapse
With me, YouTube and YouTube Vanced I run without problems and also the camera app works (only the switching times to the front cam take some time).
GSIs
rainman74 said:
With me, YouTube and YouTube Vanced I run without problems and also the camera app works (only the switching times to the front cam take some time).
Click to expand...
Click to collapse
Maybe my /hidden & /cache partitions got corrupt somehow. I tried several GSIs and had the same issue. Thanks for confirming though.
Have you tried an GSIs from non AOSP-based images? Like OneUI or Xperia? I had trouble with those.
rainman74 said:
With me, YouTube and YouTube Vanced I run without problems and also the camera app works (only the switching times to the front cam take some time).
Click to expand...
Click to collapse
Could you let us know which treble rom you used, as I have the same issues with video playback on youtube.
I also want to throw out there I was on the Nougat bootloader when I tried this and had video playback issues. I have not tried it out on Oreo. I would imagine that could make a big difference.
deleted (it sucks none of the sensors function properly)
just installed RR but i think gps not working
https://forum.xda-developers.com/pr...0-resurrection-remix-v7-0-arm64-32-b-t3891636
This is great!
Hey everyone, this project is big news! I am so happy that we can use Treble GSI, using the cache partition via squashfs is a really elegant way for this.
Almost everything works on my T820! I am using Phh-Treble AOSP 9.0 v112, MindTheGapps and Magisk. Even adoptable storage works, I have 256GB for internal storage now (it displays as 256/512 used when empty, but whatever).
The device is certified with magisk and custom prop value.
Contrary to the old Lineage OS from last year, there is no crazy wifi jitter, so Steam Link just works fine. I did not try out the recent Lineage 20190331, so I don't know if it was due to Lineage.
The rotation sensors are not working, for now I am using "Rotation Quick Setting" app from Play Store. Also, the camera app crashes, but I am not using it anyway.
Thank you so much @bonuzzz and @Valera1978 for making this possible! It is stable enough for daily use for me.
BTW, I came from Oreo bootloader, and have no problems regarding video playback (but I use MX Player, not stock)
Mhh.. I get constantly soft reboots if i try to install third party apps or restore my titanium backup on Havoc for treble. Fingerprint is also not working. Seems to be very unstable...
How could I go about adding files to this treblized /vendor partition? Presumably through the zip? If this is the case, how could I do that?
Fair warning to those wanting to try this: treble roms do install and run, but sensor support appears to be lacking. I can't get any input from gps, accelerometer, gyro, or light sensor.
@Valera1978 If anybody has any idea on how to add support for these to the (I'm assuming) vendor partition, I'd love any hint or direction.
usb otg not working
alegru said:
Hey everyone, this project is big news! I am so happy that we can use Treble GSI, using the cache partition via squashfs is a really elegant way for this.
Almost everything works on my T820! I am using Phh-Treble AOSP 9.0 v112, MindTheGapps and Magisk. Even adoptable storage works, I have 256GB for internal storage now (it displays as 256/512 used when empty, but whatever).
The device is certified with magisk and custom prop value.
Contrary to the old Lineage OS from last year, there is no crazy wifi jitter, so Steam Link just works fine. I did not try out the recent Lineage 20190331, so I don't know if it was due to Lineage.
The rotation sensors are not working, for now I am using "Rotation Quick Setting" app from Play Store. Also, the camera app crashes, but I am not using it anyway.
Thank you so much @bonuzzz and @Valera1978 for making this possible! It is stable enough for daily use for me.
BTW, I came from Oreo bootloader, and have no problems regarding video playback (but I use MX Player, not stock)
Click to expand...
Click to collapse
Does Netflix work?
I get a bootloop after installing image and reboot to system. I have followed the instructions and got an error "Updater process ended with ERROR:7" installing the treble-16.0.zip. I flashed the custom TWRP using odin and using stock Pie. Did I do something wrong?
Hey all. Flashed all the relevant files in the relevant order and currently have a tablet sitting on the Tab S3 splash screen. How long does this normally take?
I flashed the custom TWRP,
Rebooted into Recovery,
Flashed the Treble .zip file,
Rebooted into Recovery,
Flashed the latest Havoc OS, then Magisk v20.3
then rebooted and it's stuck here.
Strange thing is, Windows has flashed up saying that it is "setting up Samsung_Android" while it's on the splash screen.
I come from the tweaked T825 ROM.
Anyone else had this issue? Should I have flashed stock first?
ianrobbie said:
Hey all. Flashed all the relevant files in the relevant order and currently have a tablet sitting on the Tab S3 splash screen. How long does this normally take?
I flashed the custom TWRP,
Rebooted into Recovery,
Flashed the Treble .zip file,
Rebooted into Recovery,
Flashed the latest Havoc OS, then Magisk v20.3
then rebooted and it's stuck here.
Strange thing is, Windows has flashed up saying that it is "setting up Samsung_Android" while it's on the splash screen.
I come from the tweaked T825 ROM.
Anyone else had this issue? Should I have flashed stock first?
Click to expand...
Click to collapse
Well I've hard-bricked my tab by flashing the Treble zip so consider yourself lucky. I think you should flash ODIN stock and start from scratch. Flash ashyx's TWRP, follow the instructions there. DO NOT FLASH MAGISK. Then flash Treble TWRP, flash zip, reboot recovery, DO A WIPE DATA / FACTORY RESET, NOT FORMAT, Then flash Havoc OS a only or whatever. After that wipe cache/dalvik and let it boot to ROM, AND THEN flash magisk and stuff.
I hard bricked my tab because Magisk was installed on the device while I flashed Treble. So yeah DON'T DO THAT EITHER
By the way im so sorry for being 2 months late i saw this just now
Looking dangerous. I'd like to try it but uncertain procedures
NullCode said:
Well I've hard-bricked my tab by flashing the Treble zip so consider yourself lucky. I think you should flash ODIN stock and start from scratch. Flash ashyx's TWRP, follow the instructions there. DO NOT FLASH MAGISK. Then flash Treble TWRP, flash zip, reboot recovery, DO A WIPE DATA / FACTORY RESET, NOT FORMAT, Then flash Havoc OS a only or whatever. After that wipe cache/dalvik and let it boot to ROM, AND THEN flash magisk and stuff.
I hard bricked my tab because Magisk was installed on the device while I flashed Treble. So yeah DON'T DO THAT EITHER
By the way im so sorry for being 2 months late i saw this just now
Click to expand...
Click to collapse
would some of the issues seen by others be fixed if one started with non-rooted stock 9.0 and 9.0 bootloader (if it is different from that for Oreo)? thanks anyone

Vendors

Hello, I am newbie yet so I am asking if anyone can explain the vendor's use, and what do I get from installing them.
Thank you for your time
Now almost roms here includes custom vendor. So you need firmware only.
https://xiaomifirmwareupdater.com/vendor/beryllium/
And here's custom rom installation process
Flash rom
Flash firmware
Gapps(optional)
Dfe(if you don't want it to be encrypted)
Magisk(optional)
That's it. No need to know more.
nasos_Gr said:
Hello, I am newbie yet so I am asking if anyone can explain the vendor's use, and what do I get from installing them.
Thank you for your time
Click to expand...
Click to collapse
Miui decided to use MODIFIED VENDOR IMAGE hence POCO F1 gets a modified vendor image for Android Pie-based Project Treble GSIs
what was the impact?
custom roms couldn't be flashed (booted) if you don't flash the modified vendor image from twrp
even today when most of the roms have their own vendor you still need to flash the vendor+firmware (atleast)
Developer Akhil Narang started collecting all releases at
https://mirror.akhilnarang.me/MIUI/beryllium/
currently I am using 9.6.27-9.0 which is working best for me, 10.3.6 image made my batter drainage high (atleast i noticed)
I am on HAVOC2.8 and this is how i did it
1. flashed TWRP 3.3.1 unofficial (download it from HERE ) ref Reference - as official twrp has TOUCH driver issues. this one worked with me very well
2. I wiped /data, /system then
3. flashed VENDOR.zip from HERE
4. FLASHED CUSTOM ROM (i use HAVOC2.8)
5. FLASHED DFE HERE - REFERENCE
6. FLASHED GOOGLE APPS ( GAPPS.ORG) ( ARM64>9.0MicroPackage)
7. Flash Kernel ( OPTIONAL- havoc uses shadow kernel , i feel optimus drunk kernel is better, battery and 4g connectivity) even Franco Kernel is very good
8. FLASHING MAGISK19.3
9. when i was on havoc2.7, by using MIGRATE, it made flashable zip of my APPS+DATA, stored in internalStorage, and now I will FLASH that file., Mine size goes to 2gb you can get it from HERE
10. WIPE CACHE/DELVIK
11. REBOOT
fire reboot may go in to bootloop and then second reboot may take a while and finally you should see Pixel Setup asking google accounts and info etc
-----------------------
extraa
once after you finish setup! don't RESTORE APPS from PLAYSTORE, (download only license apk, in my case I have purchases many apps from playstore and saperate license info is always appear in intial setup! SELECT THOSE ONLY)
ONCE playstore is DONE downloading all your selected (fewer) apps, and MAGISK ROOT is working...... put device on AIRPLANE MODE
FROM DROP DOWN Notification panel, CLICK MIGRATE, and it will prompt you what do you wana restore from your previouce ROM to newly flashed HAVOC ..APPS+SETTINGS+PERMISSION+DATA etc - migrate restoration may take upto 30 mins,
once done, uninstall from system and reboot device!
REMEMBER I DONOT RECOMEND MIGRATE TRICK FOR WHATSAPP, it doesn't work properly and NOTIFICATION ISSUES with BLANK DP observed by me whenever I forcely re-instated whatsapp by migrate!
Martensite said:
Now almost roms here includes custom vendor. So you need firmware only.
https://xiaomifirmwareupdater.com/vendor/beryllium/
And here's custom rom installation process
Flash rom
Flash firmware
Gapps(optional)
Dfe(if you don't want it to be encrypted)
Magisk(optional)
That's it. No need to know more.
Click to expand...
Click to collapse
I understand but I have installed some custom Roms without finding vendor image and still it works perfect.
And do I need to install this image every time I flash a new ROM?
Thanks
nasos_Gr said:
I understand but I have installed some custom Roms without finding vendor image and still it works perfect.
And do I need to install this image every time I flash a new ROM?
Thanks
Click to expand...
Click to collapse
Flashing custom roms will not wipe anything, so the vendor is still there. And firmwares too.

Small question regarding flashing custom roms and kernels

Hi devs ...
I had a small question which was bothering me. I wanted to know that , if I flash custom roms and custom kernels frequently will it exhaust the hardware and battery ?
Sincerely,
A pocophone user .
Seriously, no. But do read up on what you need to do to flash custom roms and custom kernels.
htramas said:
Hi devs ...
I had a small question which was bothering me. I wanted to know that , if I flash custom roms and custom kernels frequently will it exhaust the hardware and battery ?
Sincerely,
A pocophone user .
Click to expand...
Click to collapse
depends which custom kernel you are using? if you see a novoice developer experimenting with certain stuff in the kernel of your device, you should not be trying. or atleast proceeding with cautions!
however poco f1 is old device now, and we have definate winners where custom kernels are concerns!
Franco / Twisted loop / malakas / Optimus Drunk / Arter (no sound mod) / and shadow kernel are good ones!
i usually stick to Optimus Drunk
but if you feel touch issues then Try Twisted kernel as developer keeps 3 versions updated based on touch drivers
YasuHamed said:
depends which custom kernel you are using? if you see a novoice developer experimenting with certain stuff in the kernel of your device, you should not be trying. or atleast proceeding with cautions!
however poco f1 is old device now, and we have definate winners where custom kernels are concerns!
Franco / Twisted loop / malakas / Optimus Drunk / Arter (no sound mod) / and shadow kernel are good ones!
i usually stick to Optimus Drunk
but if you feel touch issues then Try Twisted kernel as developer keeps 3 versions updated based on touch drivers
Click to expand...
Click to collapse
I more into gaming so I was thinking of flashing seshtation kernel
guhvanoh said:
Seriously, no. But do read up on what you need to do to flash custom roms and custom kernels.
Click to expand...
Click to collapse
Okay thanks for letting me know but yeah I'm aware of flashing lil bit .
htramas said:
I more into gaming so I was thinking of flashing seshtation kernel
Click to expand...
Click to collapse
yes but double check which Screen Refresh rate performs well for u
there are 3 versions! some users reports screen hanging on 66hz
also keep in mind,
Kernel <---> your choice of CUSTOM ROM <------> vendor+ Firmware combination
has different results for two different users using SAME kernel version/type
vendor+fw of 9.6.27-90 is very stable of last old days from miui9.6 and uptill now supported by final version of android9 roms!
however since every custom rom has now their own VENDOR embeded, so whats left is Firmware
for me (OD kernel + crdroid5.10 (android9) + fw miui10.3.8) gives higher battery drain as compare to fw9.6.27-90 but if i remove OD kernel to Twisted Loop, same vendor works just fine, this mean OD kernel has hight batter drain.
and if on OD kernel i switch to fw9.6.27-9.0, i get better temperature and SOT..
so you try your combination and you will come to know only with time! no one can assure which combo or trio will work for u!
REMEMBER always flash DFE (disable Force Encryption Global, Poco f1 (Treble) IF you ever later change vendor/fw OVER the installed/flashed ROM in Twrp because this way encryption keys in vendor will change and device will loose access to storage and you will get bootloops and later you will have to format your ALL partitions (data lost) in order to gain access of internal storrage on NEW keys of Flashed vendor by you...
however remember DFE is unsafe because it means your deice is no more encrypted and if ever lostor stolen , a well known android user may gain access to your data... so keeping security on screen lock, (finger print or pattern) is recomended but you need to remove pattern if you ever wana flash anything again in next boot ... as Twrp can ask pin but cannot ask pattern (not to my knowledge)
useful links
https://mirror.akhilnarang.me/MIUI/beryllium/ (no updates since aug19)
MOD EDIT: Link Removed (latest fw and/or vendor and/or fw+vendor combine zips found here)
YasuHamed said:
yes but double check which Screen Refresh rate performs well for u
there are 3 versions! some users reports screen hanging on 66hz
also keep in mind,
Kernel <---> your choice of CUSTOM ROM <------> vendor+ Firmware combination
has different results for two different users using SAME kernel version/type
vendor+fw of 9.6.27-90 is very stable of last old days from miui9.6 and uptill now supported by final version of android9 roms!
however since every custom rom has now their own VENDOR embeded, so whats left is Firmware
for me (OD kernel + crdroid5.10 (android9) + fw miui10.3.8) gives higher battery drain as compare to fw9.6.27-90 but if i remove OD kernel to Twisted Loop, same vendor works just fine, this mean OD kernel has hight batter drain.
and if on OD kernel i switch to fw9.6.27-9.0, i get better temperature and SOT..
so you try your combination and you will come to know only with time! no one can assure which combo or trio will work for u!
REMEMBER always flash DFE (disable Force Encryption Global, Poco f1 (Treble) IF you ever later change vendor/fw OVER the installed/flashed ROM in Twrp because this way encryption keys in vendor will change and device will loose access to storage and you will get bootloops and later you will have to format your ALL partitions (data lost) in order to gain access of internal storrage on NEW keys of Flashed vendor by you...
however remember DFE is unsafe because it means your deice is no more encrypted and if ever lostor stolen , a well known android user may gain access to your data... so keeping security on screen lock, (finger print or pattern) is recomended but you need to remove pattern if you ever wana flash anything again in next boot ... as Twrp can ask pin but cannot ask pattern (not to my knowledge)
useful links
https://mirror.akhilnarang.me/MIUI/beryllium/ (no updates since aug19)
MOD EDIT: Link Removed (latest fw and/or vendor and/or fw+vendor combine zips found here)
Click to expand...
Click to collapse
Do you have any suggestions for gaming kernels and roms because i want extract the full potential of poco without putting much pressure on battery .
htramas said:
Do you have any suggestions for gaming kernels and roms because i want extract the full potential of poco without putting much pressure on battery .
Click to expand...
Click to collapse
to my knowledge Malakas kernel is recomended by some users in Telegram groups but seshtation is popular,
I think you should try both on two+ custom roms! , Carbon ROM i would say! its very clean! no VENDOR embeded! so u need to flash your vendor+fw
YasuHamed said:
to my knowledge Malakas kernel is recomended by some users in Telegram groups but seshtation is popular,
I think you should try both on two+ custom roms! , Carbon ROM i would say! its very clean! no VENDOR embeded! so u need to flash your vendor+fw
Click to expand...
Click to collapse
What do you mean by vendor and fw can you explain and tell me how to flash ? Btw i was thinking of flashing pixel experience + or crdroid with seshstation for gaming and yeah i want to try carbon rom after you tell me how to flash.
htramas said:
What do you mean by vendor and fw can you explain and tell me how to flash ? Btw i was thinking of flashing pixel experience + or crdroid with seshstation for gaming and yeah i want to try carbon rom after you tell me how to flash.
Click to expand...
Click to collapse
this is what i understood
in android there are following partitions (to my knowledge)
/oem
/data
/system
/boot
/recovery
/storage
/vendor
oem paritition has binaries library to read and translate android and execute command. since android 8.1 these binaries changed to different language. what you flash in poco in this partition is called firmware its usually 100mb of binaries to be flashed either by fastboot or better via twrp if its in flashable zip
/vendor parition has standard format and information about device's hardware for android to access device hardware
in all other mobiles in xaiomi tree, Poco was the FIRST ONE to be released with MODIFIED VENDOR IMAGE from Xiaomi, this means
-while flashing custom rom if you didn't flash vendor (400mb zip file do be downloaded from the links i gave above) , your device will bootloop only! because custom roms arent carrying standard android vendor format file to support device hardware for POCO. so all custom roms depending on users to download and flash vendor saperately!
however since JULY2019, almost all android 9 custom roms started carrying atleast one supported MODIFIED version of Vendor embeded in the zip file of of Pixel Experience, crdroid, havoc, mokee, lineage, xtended, Aosip etc etc, where PE carries Google Apps also so the PE is 1.3gb zip file! where all others are 800mb. (which used to be 400+mb pre july2019)
Carbon rom still don't carry vendor and expect user to flash vendor saperately
PROs /CONS
- when vendor was saperate, jumping from Crdroid to havoc to xtended to aosip to mokee to linage was easier becuase ONCE you flash vendor 9.6.27-9.0 (for say) any custom rom never touches that, and you never get encyption error at boot and you never LOOSE your data
-but when you flash different vendor lets say 10.3.8 version, it will definately change your encryption keys in vendor and you will be locked out in your next boot - if you didnt flash DFE
- post july2019, all roms have some vendor image embeded to everytime you flash or jump from crdroid to havoc to xtended etc etc, your vendor parition will be flashed prior to system partition and you MUST flash DFE now (as explained above)
now why xiaomi did this? well all i read to support Project treble (i don't know much about it )
when i had Redmi note 5pro, the vendor image was standard and i used to change sound files for max boost! but on poco i need kernel auiditor to increase volume which for me its still low for me to enjoy music
YasuHamed said:
this is what i understood
in android there are following partitions (to my knowledge)
/oem
/data
/system
/boot
/recovery
/storage
/vendor
oem paritition has binaries library to read and translate android and execute command. since android 8.1 these binaries changed to different language. what you flash in poco in this partition is called firmware its usually 100mb of binaries to be flashed either by fastboot or better via twrp if its in flashable zip
/vendor parition has standard format and information about device's hardware for android to access device hardware
in all other mobiles in xaiomi tree, Poco was the FIRST ONE to be released with MODIFIED VENDOR IMAGE from Xiaomi, this means
-while flashing custom rom if you didn't flash vendor (400mb zip file do be downloaded from the links i gave above) , your device will bootloop only! because custom roms arent carrying standard android vendor format file to support device hardware for POCO. so all custom roms depending on users to download and flash vendor saperately!
however since JULY2019, almost all android 9 custom roms started carrying atleast one supported MODIFIED version of Vendor embeded in the zip file of of Pixel Experience, crdroid, havoc, mokee, lineage, xtended, Aosip etc etc, where PE carries Google Apps also so the PE is 1.3gb zip file! where all others are 800mb. (which used to be 400+mb pre july2019)
Carbon rom still don't carry vendor and expect user to flash vendor saperately
PROs /CONS
- when vendor was saperate, jumping from Crdroid to havoc to xtended to aosip to mokee to linage was easier becuase ONCE you flash vendor 9.6.27-9.0 (for say) any custom rom never touches that, and you never get encyption error at boot and you never LOOSE your data
-but when you flash different vendor lets say 10.3.8 version, it will definately change your encryption keys in vendor and you will be locked out in your next boot - if you didnt flash DFE
- post july2019, all roms have some vendor image embeded to everytime you flash or jump from crdroid to havoc to xtended etc etc, your vendor parition will be flashed prior to system partition and you MUST flash DFE now (as explained above)
now why xiaomi did this? well all i read to support Project treble (i don't know much about it )
when i had Redmi note 5pro, the vendor image was standard and i used to change sound files for max boost! but on poco i need kernel auiditor to increase volume which for me its still low for me to enjoy music
Click to expand...
Click to collapse
Thanks for the info btw can I uninstall kernel manager after setting the CPU and GPU frequencies?
htramas said:
Thanks for the info btw can I uninstall kernel manager after setting the CPU and GPU frequencies?
Click to expand...
Click to collapse
only if you set boot.sh script otherwise you need to keep it so that on eveyr boot it applies the values
i recomend smart pack kernal manager
https://github.com/SmartPack/SmartPack-Kernel-Manager/releases
YasuHamed said:
only if you set boot.sh script otherwise you need to keep it so that on eveyr boot it applies the values
i recomend smart pack kernal manager
https://github.com/SmartPack/SmartPack-Kernel-Manager/releases
Click to expand...
Click to collapse
I installed smart pack but it was stuck on white screen.
htramas said:
I installed smart pack but it was stuck on white screen.
Click to expand...
Click to collapse
when was that? two days ago got new update , you should try! i am using it for many months now! its best!
another option its to buy Franco.app
YasuHamed said:
when was that? two days ago got new update , you should try! i am using it for many months now! its best!
another option its to buy Franco.app
Click to expand...
Click to collapse
I tried it today
It just shows this
htramas said:
It just shows this
Click to expand...
Click to collapse
THIs probably means magisk is not allowing it (supersu rights)
can you check magisk is properly installed? and you have root access ?
YasuHamed said:
THIs probably means magisk is not allowing it (supersu rights)
can you check magisk is properly installed? and you have root access ?
Click to expand...
Click to collapse
Yes it does have rootaccess and magisk is properly installed . Sidenote : I installed Franco kernel app.

Detailed Guide for Flashing ROMs in POCO X3 / NFC (Karna & Surya)

Custom ROMs are one of the best things about Android. One of the best things about the openness of the Android platform is that if you're unhappy with the stock OS, you can install one of many modified versions of Android (called ROMs) on your device. A new ROM can bring you the latest version of Android before your manufacturer does, or it can replace your manufacturer-modded version of Android with a clean, stock version. But with the introduction of the dynamic partition flashing Custom ROMs are a bit tricky. In this post, I will run you through the steps of flashing Custom ROMs on your Poco X3.
Pre-requisites:
Unlocked Bootloader
Custom Recovery
Note:- Always create a backup of your important files before flashing.
Steps:-
From MIUI to Custom ROM
Encrypted
Copy the Custom ROMs zip to your sdcard or your OTG flash drive.
Boot to the recovery.
Flash the required firmware mentioned for the ROM.
Reboot your recovery.
Flash the Custom ROM.
And then format data [**This will wipe your internal storage**]
Reboot (Flash magisk if you want root after the first boot)
Decrypted
Flash this decrypted vendor
Flash the custom rom
Format data and reboot
From Custom ROMs to Another Custom ROM
Encrypted
**Backup your internal storage, incase something gets wrong**
Remove your lockscreen password
Boot to the recovery
Wipe Data, Cache and Dalvik Cache
Flash Custom ROM
Reboot
** If the device bootloops Format Data **
Decrypted
*If your device is encrypted*
Flash the decrypted vendor
Flash the custom rom
Format data and reboot
*If your device is already decrypted*
Wipe data and cache
Flash rom
Reboot
Notes:-
For encrypted people
Always create a backup of your internal storage.
Format data while upgrading from one android version to another.
Downgrading firmware may also require data format
Moving from Gapps build to non-gapps build or vice versa also requires fata format
For decrypted people
You don't need to flash the decrypted vendor everytime unless you come from miui
The vendor will not work on miui
All credits to POCO X3 Developers & Custom ROM Community.
Regards,
Polvolt
You saved me. I had properly unlocked bootloader, flashed OrangeFox but then I did the wipes and also mistakely formated data, so I couldn't send files from PC to phone to flash the custom rom.
Guess I could've just used the usb otg at this point, but I reflashed MIUI with a script, and reflashed OrangeFox and now I'm good to go.
I thought current custom recoveries don't check for rollback protection (yet)?
It's probably safe to be flashing stock firmwares via custom recovery if you are sure you know what you're doing. But this guide seem to appeal to new comers. Should we suggest they stick to using Mi Flash tool for flashing stock firmwares as it has rollback protection checks?
Or am I just out of the loop and this is no longer the case with custom recoveries for surya/karna?
Thanks for the guide btw. Greatly appreciated.
I miss manually flashing each partition files via fastboot like when I was on my Nexus devices and my Essential PH-1. I have not seen a guide that recommends or even teaches us to flash partitions manually.
payas0 said:
I thought current custom recoveries don't check for rollback protection (yet)?
It's probably safe to be flashing stock firmwares via custom recovery if you are sure you know what you're doing. But this guide seem to appeal to new comers. Should we suggest they stick to using Mi Flash tool for flashing stock firmwares as it has rollback protection checks?
Or am I just out of the loop and this is no longer the case with custom recoveries for surya/karna?
Thanks for the guide btw. Greatly appreciated.
I miss manually flashing each partition files via fastboot like when I was on my Nexus devices and my Essential PH-1. I have not seen a guide that recommends or even teaches us to flash partitions manually.
Click to expand...
Click to collapse
Yes it is safe to flash stock fw via custom recovery. ARB hasn't been implemented on surya yet.
Well manual flashing each partition using fastboot on surya is much more complicated. Dynamic partition work differently. In short one have to boot to fastboot than boot to fastbootd than you can flash rom
Are you sure it's not enabled? After running fastboot getvar anti, I get anti: 2 and I just bought the phone without doing any upgrades. Unless this alone doesn't mean that ARB is enabled?
Mckol said:
Are you sure it's not enabled? After running fastboot getvar anti, I get anti: 2 and I just bought the phone without doing any upgrades. Unless this alone doesn't mean that ARB is enabled?
Click to expand...
Click to collapse
No only if you get "anti:4" itmeans ARB is enabled, otherwise feel free to downgrade via fastboot.
Kineceleran said:
No only if you get "anti:4" itmeans ARB is enabled, otherwise feel free to downgrade via fastboot.
Click to expand...
Click to collapse
Seems you're wrong. This XDA article states other way:
"
How to find current rollback index
Reboot to fastboot mode
Enter the following command: fastboot getvar anti
If the output is blank, then anti-rollback has not yet been enabled. If you get a number in the output, then that’s your current rollback index."
Xiaomi's Anti-Rollback Protection Explained: How to avoid bricking your phone
All Xiaomi smartphones and tablets will have anti-rollback protection enabled. What is it and how do you avoid bricking your device because of it?
www.xda-developers.com
How about from MIUI Global to MIUI EU ? I've found a 12.0.7.0, not sure but it seems to be EU rom, right?
Hello
I'm new to Xiaomi phones! For the love of God someone tell me how do I flash roms on my poco x3 nfc Note ( I've been flashing roms for years but not Xiaomi phones ). What ever I flash it works but after I attempt to flash another rom files in sd card get corrupt and I format data that doesn't gonna do anything! So please someone tell me how do I flash roms on this phone. My phone is encrypted I was on MIUI global
ayad.phonex said:
Hello
I'm new to Xiaomi phones! For the love of God someone tell me how do I flash roms on my poco x3 nfc Note ( I've been flashing roms for years but not Xiaomi phones ). What ever I flash it works but after I attempt to flash another rom files in sd card get corrupt and I format data that doesn't gonna do anything! So please someone tell me how do I flash roms on this phone. My phone is encrypted I was on MIUI global
Click to expand...
Click to collapse
I suppose you do have already unlocked bootloader and installed recovery? if no, please do, if yes try this guide or read this post
I'm having trouble because I flashed the vendor and it does not work in my version (QJGMIXM) and 4g internet does not work. I need help to fix because I can't find original vendor file or return to MIUI. HELP!!!!!
biliterror said:
I'm having trouble because I flashed the vendor and it does not work in my version (QJGMIXM) and 4g internet does not work. I need help to fix because I can't find original vendor file or return to MIUI. HELP!!!!!
Click to expand...
Click to collapse
Use any fastboot stock ROM and MiFlash tool to restore your phone...or flash any custom recovery and use it to flash any recovery stock ROM to restore your phone.
I have 6 days to wait for unlocking the device. I can't wait to get rid of the Mi UI mess and bloat. I haven't had to do a complicated (for me) phone flash process like this since a Motorola phone in 2014. I have a a few questions:
1- Do I need to add/install adb drivers to my WIN10 PC? I came across win adb drivers for the POCO in my search for Windows PC drivers. Which version of adb is needed for Win10? I currently have abd my laptop, but I can't determine the version.
2- Installing the recovery - I see the steps some have posted with TWRP versions, but I'm not really clear on this. Do I go to the folder with TWRP in it and then use a command prompt from there? TWRP or Orange Fox and what version? The posts are confusing.
3- I'd like to have the easiest rom flash for my first go at this phone. I would appreciate a recommendation for which rom might be the best one to start with. I will be want gapps as part of the process, but could flash afterwards if its better that way. Is Arrow OS or Havoc a good choice?
Sorry for all the questions.
Thanks
If i flash a newer Firmware (.7) over the decrypted vendor (.5), is my phone encrypted again?
Grusel said:
If i flash a newer Firmware (.7) over the decrypted vendor (.5), is my phone encrypted again?
Click to expand...
Click to collapse
if you'll flash 12.0.7 vendor from this thread, then no
Is this the right way?
Flash the CustomRom and after flash format Data?
Not first format Data and than flash Customrom?
My plan after bootloader Wait time is flash the Miui Eu Rom.
What ist the right way?
trutta said:
Is this the right way?
Flash the CustomRom and after flash format Data?
Not first format Data and than flash Customrom?
My plan after bootloader Wait time is flash the Miui Eu Rom.
What ist the right way?
Click to expand...
Click to collapse
Flashing ROM and Format data is the usual way....
I now. But the chronologie was another. First Format data, then flash Rom.
Usually in all my old device while flashing roms I have to wipe system data cache then I just flashed the rom, it's my first Xiaomi device I am confused as hell , should i never have to wipe system partition ? , Is flashing firmware necessary everytime ? Are there any risks associated with decrypted vendor ?please guide me I am not noob but these things are completely new to me
Device storage partition schemes have changed and are now dynamic, so previous procedures don't apply anymore. Closely follow your ROM developer instructions in order to avoid bricking your device.
Dynamic Partitions | Android Open Source Project
source.android.com
Brother, i have Karna (Indian) one with me. I got update to latest MIUI 12.0.8, after updating i unlocked the bootloader and flashed twrp, but it dint wrok, then had to flash OFox. RN i am on latest lineageOS 17.1. I am having network issues. Someone at the telegram group told me to flash the firmware along with the vendor of 12.0.5 MiUi as he also suffered the same kind of network issue i am having.
but the problem is i am unable to find the Vendor n firmware of 12.0.5. Can you please help me ?

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