Pixel 3a XL soft #BRICK - please help - Google Pixel 3a XL Questions & Answers

On my way to installing LineageOS I tried to downgrade Android version 11 -> 10. Unfortunately I used the WRONG INCOMPATIBLE firmware files from google's website (I think for 3 XL), that's why I have a brick now. ''Device is corrupt and no bootup possible.''
Access to Fastboot and STOCK Recovery Mode is possible.
Bootloader is Locked Now (it *was* unlocked before for flashing the firmware)
ADB is not working (since I'm getting stuck on ''google'' symbol when booting up I can't go to Developer Settings)
Factory Preset from Recovery Mode fails: ''can't send spi messages.'' Same Brick occurs.
With No Access to ADB (is it possible to set up from fastboot mode without enabling it in den Developer Options?) I can't try stuff.
And with the bootloader locked no way to flash a new Rom right?
I have NO IDEA what to do next, any IDEAS??
Thank you!!
#brick

Since you can get to recovery you should download the latest ota and sideload it from recovery.

https://developers.google.com/android/images
you should flash the stock image from recovery. Basically unzip it all and just run "flash-all.bat"

41rw4lk said:
Since you can get to recovery you should download the latest ota and sideload it from recovery.
Click to expand...
Click to collapse
Thank you, this worked perfectly fine, since you don't need an unlocked bootloader to flash this system image.
However, I am facing a new problem on my way to installing TWRP Recovery Image...!!
CMD gives me THIS log:
Writing 'recovery' FAILED (remote: 'Not allowed to flash (recovery)')
fastboot: error: Command failed
- the device is unlocked (I even relocked it and unlocked it again, didn't work)
- I tried one other older .img for my phone from official twrp.me website, didn't work
Any Ideas?

dadu1257 said:
Thank you, this worked perfectly fine, since you don't need an unlocked bootloader to flash this system image.
However, I am facing a new problem on my way to installing TWRP Recovery Image...!!
CMD gives me THIS log:
Writing 'recovery' FAILED (remote: 'Not allowed to flash (recovery)')
fastboot: error: Command failed
- the device is unlocked (I even relocked it and unlocked it again, didn't work)
- I tried one other older .img for my phone from official twrp.me website, didn't work
Any Ideas?
Click to expand...
Click to collapse
You need the BL unlocked to flash unsigned/unofficial images, so make sure yours is unlocked. That being said, I'm not sure how solid twrp is for our device, I've never tried it. Twrp was/is a little iffy for android 10 never mind 11. Most around here just use fastboot to do what needs to be done. Most of it is pretty quick and painless, and twrp is not really necessary.

dadu1257 said:
Thank you, this worked perfectly fine, since you don't need an unlocked bootloader to flash this system image.
However, I am facing a new problem on my way to installing TWRP Recovery Image...!!
CMD gives me THIS log:
Writing 'recovery' FAILED (remote: 'Not allowed to flash (recovery)')
fastboot: error: Command failed
- the device is unlocked (I even relocked it and unlocked it again, didn't work)
- I tried one other older .img for my phone from official twrp.me website, didn't work
Any Ideas?
Click to expand...
Click to collapse
I'm pretty sure you would have to downgrade to android 9 (pie) and install a custom kernel to get twrp to install. Unless you want to rock android pie - like I currently am (Bootlegger's 9 - I like my smartbar customizations) - it's best to give up on TWRP and just use fastboot commands for android 10 and up.
If you do decide to downgrade to pie the elementalX kernel (ElementalX-P3a-1.06) works fine with twrp and is available on their site. Temp boot twrp via fastboot, flash kernel, flash twrp zip file, reboot to recovery and flash magisk zip for root (if you want root). But it may be hard to find older pie ROMs out in the wild to flash since devs have dropped support and will be focused on android 10/11.

teemothay said:
I'm pretty sure you would have to downgrade to android 9 (pie) and install a custom kernel to get twrp to install. Unless you want to rock android pie - like I currently am (Bootlegger's 9 - I like my smartbar customizations) - it's best to give up on TWRP and just use fastboot commands for android 10 and up.
If you do decide to downgrade to pie the elementalX kernel (ElementalX-P3a-1.06) works fine with twrp and is available on their site. Temp boot twrp via fastboot, flash kernel, flash twrp zip file, reboot to recovery and flash magisk zip for root (if you want root). But it may be hard to find older pie ROMs out in the wild to flash since devs have dropped support and will be focused on android 10/11.
Click to expand...
Click to collapse
Unlike most of the LineageOS Tutorials out there is used the Custom Recovery from Lineage to install LIneageOS! It was super easy, a few ADB commands and here it is. No Root, no TWRP whatsoever.
Follow wiki lineageos devices website instructions. Here you may also find the recovery data.
Thx guys/girls!

dadu1257 said:
Unlike most of the LineageOS Tutorials out there is used the Custom Recovery from Lineage to install LIneageOS! It was super easy, a few ADB commands and here it is. No Root, no TWRP whatsoever.
Follow wiki lineageos devices website instructions. Here you may also find the recovery data.
Thx guys/girls!
Click to expand...
Click to collapse
Cool. No more soft brick for you :good: Congrats on sorting things out. :highfive:

BUT I still cannot install TWRP Recovery on LineageOS 17. I am getting the same problem as quoted below.
I want to perform Nandroid Backups, any other way to that if TWRP doesn't want me? Maybe with a Magisk Root and some app from F Droid?
?
thanks
dadu1257 said:
Thank you, this worked perfectly fine, since you don't need an unlocked bootloader to flash this system image.
However, I am facing a new problem on my way to installing TWRP Recovery Image...!!
CMD gives me THIS log:
Writing 'recovery' FAILED (remote: 'Not allowed to flash (recovery)')
fastboot: error: Command failed
- the device is unlocked (I even relocked it and unlocked it again, didn't work)
- I tried one other older .img for my phone from official twrp.me website, didn't work
Any Ideas?
Click to expand...
Click to collapse

dadu1257 said:
BUT I still cannot install TWRP Recovery on LineageOS 17. I am getting the same problem as quoted below.
I want to perform Nandroid Backups, any other way to that if TWRP doesn't want me? Maybe with a Magisk Root and some app from F Droid?
?
thanks
Click to expand...
Click to collapse
Twrp doesn't work very well on android 10 and above, there is a twrp install guide around here, but not much has come from it. When was the last time anyone actually made and used a nandroid backup? Not that backups aren't important, but that's a little antiquated. Besides, most are really trying to backup data, which is a shared partition on A/B devices. Generally, restoring data on A/B devices causes more problems than anything. Most data backups can be done with an app and/or making a backup of your internal storage. As for more sensitive things like your persist partition and whatnot, you can always use the 'dd' command to back those partitions up.
I should clarify, restoring nand backups of data causes more problems on A/B devices, apps that restore data and settings tend to handle it better.

Now having a different problem
I tried to install Magisk following this guide https://magisk.download/root-pixel-3a-3a-xl/
When I try to flash magisk_patched.img in fastboot, it flashes, but reboots to fastboot with "error boot prepare" displayed.
I am stuck in Fastboot now.
How can I get out of that?
I used the boot.img from the google firmware android 10 I built Lineage on. Should I use a boot.img from LineageOS .zip? Is there anything like this?
What is dm-verity?
Can I get to my previous unrooted device?
I have a Pixel 3aXL with LineageOS 17
''bootslot: b
enter reason: error boot prepare''

dadu1257 said:
Now having a different problem
I tried to install Magisk following this guide https://magisk.download/root-pixel-3a-3a-xl/
When I try to flash magisk_patched.img in fastboot, it flashes, but reboots to fastboot with "error boot prepare" displayed.
I am stuck in Fastboot now.
How can I get out of that?
I used the boot.img from the google firmware android 10 I built Lineage on. Should I use a boot.img from LineageOS .zip? Is there anything like this?
What is dm-verity?
Can I get to my previous unrooted device?
I have a Pixel 3aXL with LineageOS 17
''bootslot: b
enter reason: error boot prepare''
Click to expand...
Click to collapse
Reflash the boot.img from Los17 to get back to proper boot up, then patch Los17 boot.img and flash that to have root.

41rw4lk said:
Reflash the boot.img from Los17 to get back to proper boot up, then patch Los17 boot.img and flash that to have root.
Click to expand...
Click to collapse
Where is the boot.img from Lineage? There is no such file in the Lineage folder I downloaded.

dadu1257 said:
Where is the boot.img from Lineage? There is no such file in the Lineage folder I downloaded.
Click to expand...
Click to collapse
A lot of devs wil upload the boot.img separately when they upload the rom, so wherever you downloaded Los from check there. If you just have a payload.bin file in your zip, you can always dump it and grab the boot.img there. You could always just reflash Los period to get boot back, then us 'dd' command to backup your own boot.img.

custom recovery for lineageos 17 based on android 10?
teemothay said:
I'm pretty sure you would have to downgrade to android 9 (pie) and install a custom kernel to get twrp to install. Unless you want to rock android pie - like I currently am (Bootlegger's 9 - I like my smartbar customizations) - it's best to give up on TWRP and just use fastboot commands for android 10 and up.
If you do decide to downgrade to pie the elementalX kernel (ElementalX-P3a-1.06) works fine with twrp and is available on their site. Temp boot twrp via fastboot, flash kernel, flash twrp zip file, reboot to recovery and flash magisk zip for root (if you want root). But it may be hard to find older pie ROMs out in the wild to flash since devs have dropped support and will be focused on android 10/11.
Click to expand...
Click to collapse
thanks!
I got Lineage 17 w/ Magisk root running now and want to perform a full NANDroid Backup.
After some research it seems crucial to have a custom recovery like TWRP for that. There is the online nandroid thing - but I would need CWM or anything like this to restore?!
So my question is
a) is there another custom recovery (compatible with Pixel 3a XL w/ lineage 17 based on android 10) I can install and perform Nandroid backup with?
b) any other solution to perform this backup and restore? I heard there are cmd commands for that as well , but I'm a noobie not so sure to do that.
of course there are several apps out there to backup data.. but I don't trust ''any'' app to get root permission. In F Droid I couldn't find what I was looking for.
thank you for help!

Related

Might have ****ed up the Recovery partition, any solution to restore it?

So I've held off software updates and decided to upgrade to OOS 9, but I didn't realise that there were treble compatiability flags. I then tried to install a newer version of codeworkx's TWRP with the compatiability check disabled but then had a kernel panic. Since then, flashing the original recovery I had (codeworx TWRP universal) and even the stock OnePlus recovery failed to work. I also tried
Code:
fastboot erase recovery
hoping that it would wipe the partition to allow me to reset the recovery, but still does not work.
To make it clear, I can boot into the OS fine, and fastboot works perfectly fine as well. It's just that the recovery partition that's ****ed and seems to not load at all.
Is there any way that this could be fixed?
rysx said:
So I've held off software updates and decided to upgrade to OOS 9, but I didn't realise that...
Is there any way that this could be fixed?
Click to expand...
Click to collapse
Hi, have you tried to flash the recovery within fastboot mode?
fastboot flash recovery 'recovery.img'

Flash TWRP with phone already rooted

I have an ATT LG V40 on android 8.1. The phone is already rooted and has magisk installed. I have been unable to get TWRP installed so I can flash a custom rom. It seems that being on android 8.1 is causing issues, but I am not really sure. I followed this guide: https://forum.xda-developers.com/t/twrp-lg-v40-judypn.3970111/ and when I send the comand to flash TWRP in the command window is says the flash is finished and my phone boots up, but it doesn't seem to do anything. Any help would be greatly appreciated, thanks.
You need to use LGUP to get to 9
Noob question but did you installed and tried magisk manager(I bet you already have) and flashify(searchable on Google) (magisk manager grants root to flashify and flashify installs twrp from storage)?
Are you certain that you're booting in to recovery? Many phones have an advanced reboot menu option on the developer settings. If yours doesn't I recommend an app like Simple Reboot.
If you're not certain that it's installing the recovery correctly have you just tried installing TWRP.zip from Magisk?
dn.34 said:
I have an ATT LG V40 on android 8.1. The phone is already rooted and has magisk installed. I have been unable to get TWRP installed so I can flash a custom rom. It seems that being on android 8.1 is causing issues, but I am not really sure. I followed this guide: https://forum.xda-developers.com/t/twrp-lg-v40-judypn.3970111/ and when I send the comand to flash TWRP in the command window is says the flash is finished and my phone boots up, but it doesn't seem to do anything. Any help would be greatly appreciated, thanks.
Click to expand...
Click to collapse
Which 'command', specifically, are you typing in when you say you are 'when I send the command to flash twrp'? The only command in those directions are to boot twrp, not flash it.
After you boot it, then you need the advanced section so you can recovery ramdisk, which will inject twrp into the current boot partition (and it keeps boot intact).
If you want to use current aosp roms, then follow the 'metadata' sections as you'll need that version of twrp for those roms.
cheers

Question TWRP, Full OOS etc. Stuck without OS... please HELP

So I wanted to switch from OOS 11 to 13.
I was unl;ocked, rooted with magisk installed.
Updated to c47 and flashed magisk. all good.
Then flashed TWRP and tried flashing the full OOS c64 I downloaded.
The flashing failed and now I have no OS since I wiped before flashing as recommended.
At the past with previous devices I just flashed TWRP, flashed the ROM, reflashed TWRP and was done with it.
How can I recover my phone now? All of the data is backed up (contacts, apps, photos) so it's not a big deal if I lose all my data.
Currently I'm at TWRP
PLEASE HELP ME
Also when trying to activate sideload, TWRP is stuck on 'starting ADB sideload feature' and nothing happens, adb devices command doesn't recognize the phone and I have a red warning 'unable to decrypt FBE device'
Just use MSM TOOL and never unlock bootloader.
OP9Pro - Repository of MSM Unbrick Tools (TMO, EU, GLO, IN)
By using these tools, you accept full responsibility for your actions. Your warranty is void should you run any of these utilities without OnePlus support present. I am not responsible for bricks, fires, nuclear war, etc. If you modified any...
forum.xda-developers.com
Not sure but I think the problem was installing twrp, as far as I know it does not support installation, just start without installing like, (Fastboot boot twrp.img)
Why didn't you follow all the updates without inventing fashion?
Just download the complete package of the update and does the manual update, does not restart the phone, go in magisk, click install and mark the third option, which is to install after full Ota.
N1ldo said:
Not sure but I think the problem was installing twrp, as far as I know it does not support installation, just start without installing like, (Fastboot boot twrp.img)
Why didn't you follow all the updates without inventing fashion?
Just download the complete package of the update and does the manual update, does not restart the phone, go in magisk, click install and mark the third option, which is to install after full Ota.
Click to expand...
Click to collapse
I don't think TWRP even support flashing OOS.
@N1ldo cause I wanted Android 13 and the OTA failed to update from C47 to C61.
Also I thought that my past experience with flashing the Oneplus 6 will still be relevant, which obviously isn't apparently...
Gonna try to follow the MSM guide.
But for the future, assuming I will succeed in restoring via MSM, what should I do in order to gain root?
1. MSM
2. re-unlock the bootloaded
3. Flash magisk via fastboot
That's it? did I get this right?
Alonzzo2 said:
@N1ldo cause I wanted Android 13 and the OTA failed to update from C47 to C61.
Also I thought that my past experience with flashing the Oneplus 6 will still be relevant, which obviously isn't apparently...
Gonna try to follow the MSM guide.
But for the future, assuming I will succeed in restoring via MSM, what should I do in order to gain root?
1. MSM
2. re-unlock the bootloaded
3. Flash magisk via fastboot
That's it? did I get this right?
Click to expand...
Click to collapse
nope, you boot twrp-3.7.0-12.1 via fastboot (fastboot boot twrp.img) and there you can install magisk. if normal installation doesn't work, try using sideload. if you plan on flashing the twrp installer zip, do it before flashing magisk as it patches your current boot image.
Guest902379028 said:
I don't think TWRP even support flashing OOS.
Click to expand...
Click to collapse
worked fine for me
DirtryElectroOP3 said:
nope, you boot twrp-3.7.0-12.1 via fastboot (fastboot boot twrp.img) and there you can install magisk. if normal installation doesn't work, try using sideload. if you plan on flashing the twrp installer zip, do it before flashing magisk as it patches your current boot image.
Click to expand...
Click to collapse
great. and I can do it regardless of the oos I'm running right? I wouldn't ask that question under normal circumstances but after today, better safe than sorry
Alonzzo2 said:
great. and I can do it regardless of the oos I'm running right? I wouldn't ask that question under normal circumstances but after today, better safe than sorry
Click to expand...
Click to collapse
should work as I described. if you want to be 101% safe, just boot the twrp, but if I remember correctly, the installer should work on oos 13. if you want, you can extract the payload.bin of your current oos so you have the stock boot.img and vendor_boot.img in case anything goes wrong. you can find the exact description here.
Thanks, And one last question, if I'll unlock the bootloader now that I've installed all of the updates up to android 13, it will erase all the data but not the updates, right?
Alonzzo2 said:
Thanks, And one last question, if I'll unlock the bootloader now that I've installed all of the updates up to android 13, it will erase all the data but not the updates, right?
Click to expand...
Click to collapse
Never mind, it works, after the updates I unlocked the bootloader, patched the boot image, booted from it and installed magisk. I now have root.
Thanks all for helping me out!

Moto G7 play (XT1952-1) - please help with TWRP install ....

Hi, I got myself an used Motorola Moto G7 play (XT1952-1) with Android 10 Stock update (Build QPYS30.52-22-8-9) and just can't successfully install TWRP on it. What I did:
- Bootloader unlocked
- TWRP temporary loaded with fastboot (fastboot boot twrp.img)
- In TWRP 'Iinstall' selected the matching TWRP .zip and it said it was installed in both slots a and b.
But then, when I select 'restart to bootloader' and try to launch recovery, I get a bootloop (black screen with (N/A) in the top left corner. The OS as such still starts normally. So I guess the main problem here is the bootloop when trying to launch recovery...?
I tried installing over booted TWRP with unmodified boot.img and with Magisk patched boot.img, same result. The G7 play does not have a separate revovery partition, recovery is included in the boot.img
I used the TWRP files (EU) and instructions from here:
Motorola Moto G7 Play
Disclaimer:Team Win strives to provide a quality product. However, it is your decision to install our software on your device. Team Win takes no ...
twrp.me
My stock firmware is XT1952-1_CHANNEL_RETEU_10_QPYS30.52-22-8-9_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml.zip from here:
lolinet mirrors - firmware, software, iso etc.
lolinet mirrors - powered by h5ai
mirrors.lolinet.com
Am I missing something? I've now searched for days (most info is outdated, taken from other places/Motorola phones with just 'G7 play' added, or is ambiguous); so can anyone *PLEASE* help me? Does anyone have a G7 play of the same type with Android 10 Stock who has successfully installed TWRP and was able to access the Recovery afterward without being stuck in a loop?
I also can't create a TWRP backup with a fastboot booted TWRP because system (and internal SD too) seems to be encrypted, and I don't seem to be able to deactivate this in the phone. Is this normal? Some places say that TWRP can decrypt when it's installed permanently...
Or could anybody patch the boot.img in above Firmware and add TWRP for me so I can just flash the boot.img?
Thanks in advance... please reply noob-friendly.
Still need a patched boot.img? Attached you'll find a boot.img with TWRP installed. I followed your links to get boot.img + twrp.img.
NO MAGISK INSTALLED!!!​Please patch before flashing if Magisk is already installed.
I put a log of the repack command into the zip that is showing the checksums of the boot header. Just to have a proof.
WoKoschekk said:
Still need a patched boot.img? Attached you'll find a boot.img with TWRP installed.
Click to expand...
Click to collapse
Thanks for trying to help, but this boot.img behaves exactly like the one I made by following the installation instructions on the TWRP website. I flashed it, restarted bootloader, then tried to go into recovery, and it bootloops (black screen with N/A in the top left corner).
But what I need is a boot.img with a WORKING TWRP recovery (that can actually be launched when recovery is selected...
Any idea why this won't work, why TWRP won't start?
@Alonso_Quixana Try the attached one. It's a boot.img patched with twrp + recovery_dtbo. The recovery_dtbo is part of the twrp.img but TWRP's installer.zip doesn't take it into account while repacking the patched boot.img. Maybe (hopefully!) that's the reason why you're able to boot TWRP but not to install it permanently.
Please try also - in any case! - the patched installer.zip that comes with a recovery_dtbo.
Sadly, you can't flash TWRP on stock ROM, in case you did sucessfully, ROM will not boot and that can cause SIM and VoLTE issues, i did flash it on mine and now VoLTE doesn't work on my phone, you can only boot it in case you want to flash an custom ROM, flash it then reboot into recovery to install GApps on the Custom Recovery that the ROM does install, but since all of the ROMs are arm64, i don't recommend it since you will have constant app restarting when changing from one app to another app
chuy19312 said:
Sadly, you can't flash TWRP on stock ROM, in case you did sucessfully, ROM will not boot and that can cause SIM and VoLTE issues, i did flash it on mine and now VoLTE doesn't work on my phone, you can only boot it in case you want to flash an custom ROM, flash it then reboot into recovery to install GApps on the Custom Recovery that the ROM does install, but since all of the ROMs are arm64, i don't recommend it since you will have constant app restarting when changing from one app to another app
Click to expand...
Click to collapse
Thanks for replying...
I've seen so-called tutorials on Youtube where someone actually succeeded in installing TWRP on his Moto G7 play (but did not mention which Android version was on the phone), and the TWRP developers too claim that their version for Moto G7 play would work, it even got an official update for Android 10 (alas they never reply to direct e-mails, those snooty guys)... some on XDA even said the flashing of a 'dirty port' worked for them. Were they all mistaken? Or did it work on Android 9? Are all XDA threads and internet posts / Youtube videos misleading / lying?
Are you REALLY sure that there is no way to install TWRP on a Moto G7 play (to be able to create a working backup of the encrypted data partition)? A 'full restorable backup of everything' is what I need...
I'm not sure about Android 10 Stock Rom, but it seems to be a 32bit system on a 64bit Kernel?
Alonso_Quixana said:
I'm not sure about Android 10 Stock Rom, but it seems to be a 32bit system on a 64bit Kernel?
Click to expand...
Click to collapse
It's a 32bit system on a 64bit CPU (Snapdragon 632). That's not unusual for Motorola devices. Open a terminal app and execute uname -a.
Alonso_Quixana said:
Thanks for replying...
I've seen so-called tutorials on Youtube where someone actually succeeded in installing TWRP on his Moto G7 play (but did not mention which Android version was on the phone), and the TWRP developers too claim that their version for Moto G7 play would work, it even got an official update for Android 10 (alas they never reply to direct e-mails, those snooty guys)... some on XDA even said the flashing of a 'dirty port' worked for them. Were they all mistaken? Or did it work on Android 9? Are all XDA threads and internet posts / Youtube videos misleading / lying?
Are you REALLY sure that there is no way to install TWRP on a Moto G7 play (to be able to create a working backup of the encrypted data partition)? A 'full restorable backup of everything' is what I need...
I'm not sure about Android 10 Stock Rom, but it seems to be a 32bit system on a 64bit Kernel?
Click to expand...
Click to collapse
I think it only works on certain Moto G7 Play variations or even only on Android 9, also, another way to install TWRP is installing an Custom ROM then flashing an flashable zip of TWRP_11 by SyberHexen on Custom ROM's Recovery
Link to TWRP_11 Flashable Zip
channel-twrp-installer-3.6.2_11.0_RC-1.0.zip | by SyberHexen for Moto G7 Play
Download GApps, Roms, Kernels, Themes, Firmware, and more. Free file hosting for all Android developers.
androidfilehost.com
In my case, flashing TWRP, even by following some tutorials made my MetroPCS Moto G7 Play to stop booting and also, VoLTE stopped working, fortunately, i had an EFS backup to restore my IMEI
Android 10 Stock Rom is an Arm (32 bits) ROM, every Custom ROM i tested are Arm64, but i don't recommend any of them since you will get constant app rebooting and notification problems since this is an 2 GB RAM device

Question TWRP flashing method

Hi all,
I have recently shifted from Samsung A52S to Onpelus 9 PRO.
I'm now a bit confused about flashing method....
I mean :
on Samsung devices, you have to use ODIN ( that is a Fastboot replacement tool ) in order to flash the TWRP and then, on TWRP, you can freely flash any new custom ROM or any other img files, by simply press "INSTALL" button instad of ADB sideload commands.
If I well understood, in order to flash this custom ROM, I have to do that through Fastboot commands before and through TWRP ADB sideload commands after......
My question is : may I flash boot.img / vendor_boot.img / dtbo.img and ROM zip directly through TWRP "INSTALL" button instead ???
If not, can someone kindly explain which is the reason why ?
Sorry for this noob question but I'm doing my first step into Oneplus and I don't want to do a mess.....
Many thanks for the help !
I personally been wanting to know why we no longer can simply flash custom roms via TWRP like we use to. I do believe its got to do with the way the A/B partition works however that does not really answers why we can't just flash via TWRP. Unfortunately, I have not been able to find the answer so I am interested too on why we can't simply flash custom roms in TWRP and have to resort in sideloading or via fastboot. I would think flashing via a zip in TWRP will have less user errors compare to using a command line to do your flashing.
Saying that, I have been flashing via fastboot since I got this phone and even though its a longer process, it only takes a few more minutes.
twrp is not even fully adapted for android 12 or 13 (but who needs twrp anymore?)
I prefer to flash via fastbootd
(is less work for me)
best way is the magisk install
ChrisFeiveel84 said:
twrp is not even fully adapted for android 12 or 13 (but who needs twrp anymore?)
Click to expand...
Click to collapse
twrp is still the only way to backup the whole rom
it exist a non official version for 12/13
TWRP is the best tool to recover files when the OS does not boot. Since there is no ROM or kernel out there that recommend or uses TWRP for flashing. There is little reason to use TWRP unless is for file recovery. This is in respective to OP 9.

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