GSI Roms on A40? - Android Q&A, Help & Troubleshooting

The Galaxy A40 is supported by the Treble project, which means that you can install GSI roms. I want to do this as well, with a Lineage OS rom.
Has anyone done this before? I have not gotten it to work.
Here is what I have done:
Installed the unoffical TWRP that is found on this forum.
After that I rooted the system with Magisk and disabled DM-Verity and Force Encryption with Magisk (when I flashed the VM-Derity zip it made my phone go in a bootloop).
Installed the Project Treble app and saw the socket thing. The A40 only has socket A and not A/B, so I need to use the image that is for socket A.
Booted into TWRP and factory reset the system. I have also tried formatting the system here but it did not work.
Flashed the image that is made for ARM64 and Socket A.
Factory reset the system again (you apparently had to do this when you flash GSI roms)
Try to boot to system.
I end up in a bootloop.
Anyone here that has managed to pull this off?

Related

Bootloop caused by xposed Module

—Problem—
Boot loop... is there anyway to solve this problem without a reset?
—generel Infos—
Device: OnePlus 5 (rooted)
OS: oxygenos 9.0.3
Recovery: TWRP
Other: using EDXposed &
Nethunter Kernel
—the reason?—
I think it was the experimental setting in GravityBox Pie. There was a warning but I didn’t read it because ... I don’t know. The setting required a reboot but after that I stuck in the boot loop.
—what I ´ve tried—
I saw a guide on xda how to disable xposed modules via twrp. The problem was that I was using EDXposed. It was a different. But I deleted a similar file via twrp file manager ( /data/data/com.[IdontKnowTheExactPackgeName].xposed.manager/shared_prefs/[SomethingWithModules])
I tried to reboot but without success
I installed mm ( a for twrp to disable/enable magisk modules and more)
In mm I disabled the EDXposed Module und riru Core Module ( Im not sure if I was riru)
I tried to reboot but without success
I flashed magisk uninstaller and after flashing was done( magisk couldn’t restore boot image or something like that but the flash worked so I ignored it) I got the error: error creating fstab ( the same error occurred when wiping cache/dalvic)
I tried to reboot but without success
I wanted to flash EDXposed but it didn’t work because I haven’t magisk installed
So I flashed magisk again ( this solved the fstab error) and after that the EDXposed uninstaller. Both flashes worked
I tried to reboot but without success
Now I gave up and hope that you have an ansewer
Master Luca said:
—Problem—
Boot loop... is there anyway to solve this problem without a reset?
—generel Infos—
Device: OnePlus 5 (rooted)
OS: oxygenos 9.0.3
Recovery: TWRP
Other: using EDXposed &
Nethunter Kernel
—the reason?—
I think it was the experimental setting in GravityBox Pie. There was a warning but I didn’t read it because ... I don’t know. The setting required a reboot but after that I stuck in the boot loop.
—what I ´ve tried—
I saw a guide on xda how to disable xposed modules via twrp. The problem was that I was using EDXposed. It was a different. But I deleted a similar file via twrp file manager ( /data/data/com.[IdontKnowTheExactPackgeName].xposed.manager/shared_prefs/[SomethingWithModules])
I tried to reboot but without success
I installed mm ( a for twrp to disable/enable magisk modules and more)
In mm I disabled the EDXposed Module und riru Core Module ( Im not sure if I was riru)
I tried to reboot but without success
I flashed magisk uninstaller and after flashing was done( magisk couldn’t restore boot image or something like that but the flash worked so I ignored it) I got the error: error creating fstab ( the same error occurred when wiping cache/dalvic)
I tried to reboot but without success
I wanted to flash EDXposed but it didn’t work because I haven’t magisk installed
So I flashed magisk again ( this solved the fstab error) and after that the EDXposed uninstaller. Both flashes worked
I tried to reboot but without success
Now I gave up and hope that you have an ansewer
Click to expand...
Click to collapse
Try reflashing rom you are using again in recovery.so dirty flash over existing one
Sent from my LEX820 using Tapatalk
bilausdaniel said:
Try reflashing rom you are using again in recovery.so dirty flash over existing one
Sent from my LEX820 using Tapatalk
Click to expand...
Click to collapse
Still in boot loop ( I let it boot for 18 min )
Did you tried to disable xposed on booting?
There is key combination when system boots up, to disable xposed, and so all modules.
Go into recovery, and boot up again from there (normal boot), and when logo appears click at least 3 times power button, and xposed will understand it need to disable itself.
That should work.
And if you have some data in phone, you can make app backup from recovery and if you have files you can connect to PC and copy those files on PC.
I am currently having this problem. Some fully updated systems on some devices won't boot into safe mode. Among those devices are many Xiaomi Devices. I can only boot into fastboot mode.
I've got Orange Fox so theoretically I should be able to delete Riru, effectively disabling exposed, however, Orange Fox is asking for a decryption password and I can't access files to delete them.
ADB sideload failed.
Not sure if I can even do a wipe back to default state.
brasscupcakes said:
I am currently having this problem. Some fully updated systems on some devices won't boot into safe mode. Among those devices are many Xiaomi Devices. I can only boot into fastboot mode.
I've got Orange Fox so theoretically I should be able to delete Riru, effectively disabling exposed, however, Orange Fox is asking for a decryption password and I can't access files to delete them.
ADB sideload failed.
Not sure if I can even do a wipe back to default state.
Click to expand...
Click to collapse
go in twrp and to android/adb/modules.. module there reboot phone
bilausdaniel said:
go in twrp and to android/adb/modules.. module there reboot phone
Click to expand...
Click to collapse
delete that module in there

Procedure for flashing GSI roms (LineageOS)

Hey guys, I'm trying to install LineageOS GSI (arm64 A/B) on my Mi A3 and seem to be having some trouble getting the GSI to actually boot successfully.
I have already done my research both on XDA and elsewhere online, yet most threads focused on the device seem to be of little to no use and/or filled with spam replies that only serve to confuse people looking into this.
A quick note regarding the aforementioned threads:
I don't mean to sound disrespectful to the community, but honestly, bashing somebody over why they'd rather install anything but your own fav piece of software is completely ridiculous.
Without further ado, my case goes as follows:
I'm starting fresh with the latest stock firmware, after having unlocked my bootloader ofc (critical too), I've successfully installed TWRP, wiped, installed the system image and yet after rebooting I'm just greeted with good ol' Fastboot, at which point I either directly flash the stock firmware and try again or wipe my data and whatnot (through TWRP, if reinstalled) and still end up with Fastboot.
Therefore, I have to ask you guys:
Has anyone previously successfully installed any GSI rom on the Mi A3?
Did you flash the system img while on stock firmware or a previously flashed custom rom (ie Pixel Experience)?
Is there any need for any special patch similar to the ones used for MIUI based Xiaomi phones?
Did you face any other issues while trying to flash a GSI?
My intention is to eventually install microG using Nanodroid.
Thanks for asking. I was trying to flash Havoc, crDroid and MSM-Xtended Android 10 GSIs but I can't boot the phone.
I have flashed lots of GSIs in the past, but this is really intriguing me, I can't boot on Mi A3. Wiping or formatting data does not solve, neither Permissiver or Disable Dm-verity zips did the job... :crying:
I successfully bootet the LineageOS GSI yesterday. I was not coming from stock though. I think this process should work assuming you already bootet to TWRP:
1. flash the GSI image to system partition using TWRP
2. flash the TWRP installer to keep your recovery
3. (not sure if needed) flash no fde patch
4. optional: flash some other stuff like Magisk and gapps
5. wipe data and dalvik
I think it rebooted to recovery on my first try but worked after flashing everything again. I probably made some mistake on my first attempt but just make sure to try again before giving up.
Also there's this tutorial but it's not at all what I did to get it working:
https://forum.xda-developers.com/mi-a3/how-to/tutorial-flash-custom-rom-mi-a3-t3977169

Cannot seem to break encryption after A11 update

I have unloced my bootloader and was running A10 with TWRP 3.4.0-0 and magisk 23.
I updated today using the stock rom and fastboot commands to A11. Now when i manage to get twrp 3.5.0-0 installed in both recovery slots and try to break the encyption i fail. I can wipe data, change file system and install vbmeta and the dm verity script only for none of it to work after first boot.
Can anyone point me in the right direction regarding this please. Ideally i would love to stay with stock rom and have twrp and magisk with no encryption.
cheers
john

After P.Experience Rom TWRP is gone and everything is encrypted

Hi. I installed Android 12 Pixel Experience rom and my TWRP gone after this. After installing the rom, TWRP replaced with Pixel Experience's own recovery mode. Currently, the ROM is installed and I can use it without any problems, but I cannot switch to a different ROM in any way. When I install TWRP with ADB, I cannot install the file named "DM Verity & ForceEncrypt disabler" because everything is encrypted. I do not use any passwords on the ROM (fingerprint, screen lock, etc.). I want to install new ROM so I need to make TWRP permanent and remove encryption on TWRP, because i can't see my files. As I said, the phone is can open and I can use it without problems. Looking forward to your help, thank you.
1) Backup everything
2) Install twrp and sideload the PE rom but don't boot into it
3) Flash the DFE (disable force encryption ) zip from twrp
4) Boot into the rom
Remember you won't get the ota updates if you disable the encryption and have to manually update the rom
easdasd617 said:
Hi. I installed Android 12 Pixel Experience rom and my TWRP gone after this. After installing the rom, TWRP replaced with Pixel Experience's own recovery mode. Currently, the ROM is installed and I can use it without any problems, but I cannot switch to a different ROM in any way. When I install TWRP with ADB, I cannot install the file named "DM Verity & ForceEncrypt disabler" because everything is encrypted. I do not use any passwords on the ROM (fingerprint, screen lock, etc.). I want to install new ROM so I need to make TWRP permanent and remove encryption on TWRP, because i can't see my files. As I said, the phone is can open and I can use it without problems. Looking forward to your help, thank you.
Click to expand...
Click to collapse
You need to read the instructions before you flash anything. PE A12 is encrypted by default and because TWRP can't handle the decryption of A12 ROMs, PE replacing the TWRP with PE Recovery, so to be able to get OTA updates. This is a workaround until TWRP fix the decryption issue.
To flash another ROM, take backup of the files you want from your Internal Storage, flash TWRP via ADB, wipe everything and format data. Then connect your device to PC and transfer the ROM and the files you want to flash into your Internal Storage and proceed with flashing.

after installing lineage 19 for micro G, oneplus 5t only boots in recovery

Good evening dear members, I ask for your kind advice, as I have done something wrong to my Oneplus 5t.
I upgraded my Oneplus 5t with "lineage for microG" 19.1 (from lineage 18).
I had installed TWRP 3.5.0_9 (phone encrypted).
It booted fine the first time into system.
The problem arose after I tried to install Magisk 21.4 from TWRP.
Now the phone only boots in recovery, but it doesn't enter TWRP's menu. It stays on the first TWRP screen (where it shows the version number).
The good thing (I hope) is that I can enter fastboot mode.
I tried flashing TWRP again from fastboot to no avail.
I tried flashing boot.img from fastboot (taken from the original firmware), but still no luck.
Is there a way to install the original firmware from fastboot?
I think starting from scratch would be a step into the right direction.
Please give any suggestion which I fill follow to the letter.
Thank you, thank you, thank you!
You have to be decrypted or flash DMverity for A12. I assume You mean Magisk 24.1 the current version is 24.3
Hi. This is what I did:
I downloaded and installed original firmware through fastboot (fastboot was still on).
I also installed original recovery through fastboot.
After that my oneplus 5t was in stock condition, apart from the bootloader, which was unlocked.
After that I managed to install TWRP through fastboot, and then lineage 19.
The thing is that TWRP doesn't support lineage 19, for one reason or another. Or it could be the other way around (lineage 19 doesn't support TWRP). In any case I had a phone which would only go in fastboot mode.
At least I knew what to do, as I did it already: reinstall stock firmware and recovery.
Long story short, I installed LOS recovery and lineage 19, and everything works fine.
Thanks everyone, and especially thaidroid, for the support.
Have a nice day.
miclombardo said:
Good evening dear members, I ask for your kind advice, as I have done something wrong to my Oneplus 5t.
I upgraded my Oneplus 5t with "lineage for microG" 19.1 (from lineage 18).
I had installed TWRP 3.5.0_9 (phone encrypted).
It booted fine the first time into system.
The problem arose after I tried to install Magisk 21.4 from TWRP.
Now the phone only boots in recovery, but it doesn't enter TWRP's menu. It stays on the first TWRP screen (where it shows the version number).
The good thing (I hope) is that I can enter fastboot mode.
I tried flashing TWRP again from fastboot to no avail.
I tried flashing boot.img from fastboot (taken from the original firmware), but still no luck.
Is there a way to install the original firmware from fastboot?
I think starting from scratch would be a step into the right direction.
Please give any suggestion which I fill follow to the letter.
Thank you, thank you, thank you!
Click to expand...
Click to collapse
Its not working cus you need to format data in recovery and then reboot it.
kirknado18 said:
Its not working cus you need to format data in recovery and then reboot it.
Click to expand...
Click to collapse
It wont boot cus your encrypted formatting data will allow op5t to boot.
latest lineage + magisk = stuck on boot logo, I tried an older version of lineage + magisk (known to work), same thing.. what did I do?
paradoxiumwind said:
latest lineage + magisk = stuck on boot logo, I tried an older version of lineage + magisk (known to work), same thing.. what did I do?
Click to expand...
Click to collapse
What recovery are you on? TWRP?
I use the one posted alongside each version: https://download.lineageos.org/dumpling
can you help?
I need to root so I can titanium backup everything. but I can't root. I suspect I might need to fully format and wipe and start again, I tried wiping data and doing a fresh install, but after sideloading magisk it just fails to boot every time now.
Does it boot regularly BEFORE installing magisk? I am trying to define the source of the problem.
I have installed lineage 19 and magisk, and I confirm you that it's possible
Yes. It boots fine if I just install lineage then nevermindthegapps. problem only occurs if I flash magisk. I tried installing the .apk and patching the .boot image manually in it and then fastboot flashing that, but same thing.
oh - one possible thing that it may be - is that I had a couple of modules loaded (I think a gcam fix mod and something similar) in magisk, and I read somewhere about people having them stuck 'installed' despite demoving all traces of magisk app. whether that is the problem I don't know.
This is very strange. That's what I did:
Sideload lineage recovery
Sideload lineage 19
Download magisk apk
Patched boot image from lineage 19.zip
Sideload the patched boot image
And that's it it all worked
May I suggest you to start all over again?
is wiping system data sufficient or do I need to format it? I'd rather not lose my appdata- but I can't rescue it without root / titanium backup :/
Try first without formatting, and see how it goes
I wiped system/cache, installed lineage-19.1-20220719-nightly-dumpling-signed.zip / mindthegapps, phone booted up fine - rebooted fine.
ok, good. Now download latest magisk app and patch the boot img.
do I click patch vbmeta in image?
Yes.
First extract the file called boot.img from lineage.zip you just installed.
Then in magisk select "patch vbmeta in image".
Magisk should produce a file named something like " magisk_pached-24300_f41h3.img".
That patched file should be sideloaded.
Installation is explained really well by topjohnwu
it wouldn't flash without selecting vbmeta, so tried with, flashed it, now i'm sitting looking at the boot logo.

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