TWRP 3.2.3-1 for Pixel 2 XL

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clever_man

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Aug 19, 2010
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Yesterday I flashed latest Android 10 (clean install). After that I booted into twrp 3.3.0 (latest for that moment) and tried backup my firmware but get error
Code:
Failed to mount '/system'
Is any solution for making backup Android 10?
 
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aoaleman

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Sep 28, 2010
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San Antonio, TX
Yesterday I flashed latest Android 10 (clean install). After that I booted into twrp 3.3.0 (latest for that moment) and tried backup my firmware but get error

Is any solution for making backup Android 10?

That's been normal since the first beta. Don't think there have been any solutions announced. Everything still works despite the error.

Edit: don't think backups work though. Everything but in my experience.
 

Badger50

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Feb 27, 2011
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Samsung Galaxy Tab 7.7
Yesterday I flashed latest Android 10 (clean install). After that I booted into twrp 3.3.0 (latest for that moment) and tried backup my firmware but get error

Is any solution for making backup Android 10?

Your likely going to have to wait for the TWRP team to update it to be fully compatible with A10. I too have TWRP 3.3.0-0 installed, and while it throws errors with flashing zips, it still works :good:
 
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Reechings

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Jan 22, 2012
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That's been normal since the first beta. Don't think there have been any solutions announced. Everything still works despite the error.

Edit: don't think backups work though. Everything but in my experience.

I was able to backup boot, system image, vendor image, data and efs but haven't tried restoring.
 

ram31363

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Jan 26, 2016
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I did a clean load of 10 and can't flash with TWRP. I can side load TWRP and when I go to flash (anything) I get the following errors: "Failed to mount '/system' (invalid argument) and "Failed to mount '/vendor' (invalid argument)" I've searched and can't find the answer so any/all help is greatly appreciated! I was running standard G-9 with Sultan/TWRP/Magisk/Gravity Box.... I am running on 10 without any mods for about 12 hours now and all is well, but...

Odd, but like others I get errors but get root as well so I guess I'm good.
 
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Badger50

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Feb 27, 2011
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Samsung Galaxy Tab 7.7
I did a clean load of 10 and can't flash with TWRP. I can side load TWRP and when I go to flash (anything) I get the following errors: "Failed to mount '/system' (invalid argument) and "Failed to mount '/vendor' (invalid argument)" I've searched and can't find the answer so any/all help is greatly appreciated! I was running standard G-9 with Sultan/TWRP/Magisk/Gravity Box.... I am running on 10 without any mods for about 12 hours now and all is well, but...

Odd, but like others I get errors but get root as well so I guess I'm good.

Yep...your good. Until twrp and magisk are updated, the error messages will continue. But hey, at least it works :good:
 

enormous

Senior Member
Feb 17, 2008
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On Android 10, TWRP 3.3.0-0 installed. Having a couple of issues (besides the /system mounting one described above, which I also experienced). First issue is that I can't decrypt my partition if I have a pattern set. Second issue is the screen sometimes becomes unresponsive while in TWRP, and I have to hold down the power button to reboot. Keeping my fingers crossed that these can be solved with a TWRP update.
 

imaverik

Senior Member
May 17, 2010
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Android 10 is not the issue.

On Android 10, TWRP 3.3.0-0 installed. Having a couple of issues (besides the /system mounting one described above, which I also experienced). First issue is that I can't decrypt my partition if I have a pattern set. Second issue is the screen sometimes becomes unresponsive while in TWRP, and I have to hold down the power button to reboot. Keeping my fingers crossed that these can be solved with a TWRP update.

I have not had any issues with 10.0.0 yet. flash-all with data wipe. 10 runs great on my 2 xl. no app issues.
TWRP 3.3.0-0
magisk canary beta/app beta also.
Elemental X

Disable all screen lock and fingerprint settings, reboot and you will have no issue to decrypt and flash in TWRP... then just re apply your security settings.
 
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johnlgalt

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Nov 16, 2009
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I opted, instead, to cleanly flash the April build of Pie, which TWRP 3.3 *can* decrypt even with PIN / PW / Pattern enabled, then take the Q10 OTA on top of that.

So there are multiple ways to get this worked out.

As for mounting \system rw - better do some reading through the forums.
 

Reechings

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Jan 22, 2012
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Curious if I can backup data from my current clean install of Q then go back to April to get decryption working then restore data after coming back to Q.
 

joeyddr

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IlyaKol

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  • 2
    What setup do you have?

    twrp-3.5.1_9-0-taimen.img no longer has the problems I experienced in twrp-3.5.0_9-1-taimen.zip. I wouldn't worry too much about me but thank you for asking.​

    Here is the info:​

    Pixel2xl restored to latest factory image with flash-all.bat, I then installed proton-aosp_taimen-ota_11.3.3.​

    2
    New TWRP version out for Taimen (Pixel 2 XL) only

    3.5.2_9-0-taimen

    Changelog 7th April:

    This release is to fix a regression error for digest checking. Thanks to epicX for his hard work fixing this issue.
    1
    Prior to each test I used flash-all.bat with factory image taimen-rp1a.201005.004.a1-factory-2f5c4987.zip
    Thus all firmware is up to date prior to my attempts.

    twrp-installer-3.5.0_9-1-taimen.zip fails when booting with the command:
    Code:
    fastboot boot twrp-3.5.0_9-1-taimen.img
    The screen flickers/flashes the twrp logo and fails to boot twrp.

    twrp-installer-3.5.0_9-0-taimen.zip succeeds when booting with the command:
    Code:
    fastboot boot twrp-3.5.0_9-0-taimen.img

    Temporarily booting twrp-3.5.0_9-0-taimen.img, I then attempted to install twrp-installer-3.5.0_9-1-taimen.zip.
    This successfully installed but resulted in the same flickering/flashing of the twrp logo and a failure to boot into recovery.

    Temporarily booting twrp-3.5.0_9-0-taimen.img, I then attempted to install twrp-installer-3.5.0_9-0-taimen.zip.
    This successfully installed and allowed me access to twrp recovery.

    Unless I am missing something twrp-installer-3.5.0_9-0-taimen.zip is the most stable version and was capable of decrypting the 4 digit pin encryption on my device.

    There might be a bug or something that we are missing that is causing a problem for lg_g3_d855 and I as their post was recent enough to have used the very new twrp-3.5.0_9-1 for taimen.

    This is the unlocked version of the Pixel 2XL on Verizon.

    twrp-3.5.1_9-0-taimen.img no longer has the problems I experienced in twrp-3.5.0_9-1-taimen.zip.
    1
    TWRP on Android 11 leads to drama
    This does not lead to any drama. It is necessary to install correctly twrp.zip
  • 246
    Note: Do not use if you have multiple users (including a guest user)

    Lots more information here: https://plus.google.com/u/1/+DeesTroy/posts/i33ygUi7tiu

    I strongly recommend that kernel developers start building the touch drivers into the kernel instead of depending on modules to ensure a fully functional TWRP since recovery is now part of the boot partition.

    Be careful about what you install on your device as far as kernels and ROMs go. I think there is a high potential for losing the ability to decrypt because of the OS and patch level tags that are included in the boot image and the anti-rollback features that Google has implemented.

    MTP does not work in TWRP on the Pixel 2 and will not work until we have time to update the TWRP MTP implementation. You may still use adb to push and pull files.

    Pixel devices have 2 "slots" for ROMs / firmware. TWRP will detect whichever slot is currently active and use that slot for backup AND restore. There are buttons on the reboot page and under backup -> options to change slots. Changing the active slot will cause TWRP to switch which slot that TWRP is backing up or restoring. You can make a backup of slot A, switch to B, then restore the backup which will restore the backup of A to slot B. Changing the slot in TWRP also tells the bootloader to boot that slot.

    The zip install method installs TWRP to both slots.

    Installation:
    If you already have TWRP installed: Download the latest zip and install the zip using TWRP.

    If you do not already have TWRP installed: Download both the img and the zip. Copy the zip to your device. You will need to have fastboot binaries and the correct drivers installed. Power off your device completely. Hold volume down and turn on the device. Your device should now be in the bootloader. Connect the device to your PC. Open a command window and run the following command from the proper location:

    fastboot boot path/to/twrp.img

    This will temporarily boot TWRP on your device. If you are using a lockscreen pin/pattern/password and do not get prompted to enter your passord, reboot to the bootloader and try again. Go to install and browse to the zip and install the zip. If you are currently rooted, you will need to reflash the stock boot image before installing TWRP. After installing the stock boot image, follow the instructions for installing TWRP. Once TWRP is installed, you will need to reflash root.

    If you accidently flash TWRP to your device using fastboot instead of temporarily booting the image, you will need to download the latest factory image for your device and reflash the boot image.

    3.2.1-1 has working decrypt with the February security patch!
    3.2.1-2 fixes some zip install errors
    3.2.3-1 supports decrypting Android 9.0 Pie even with a pin / pattern / password set

    Pixel 2:
    https://twrp.me/google/googlepixel2.html
    https://dl.twrp.me/walleye/

    Pixel 2 XL:
    https://twrp.me/google/googlepixel2xl.html
    https://dl.twrp.me/taimen/
    22
    I don't think this did nothing to fix or improve this device. Touch without kernel still broke. Temp not working and I think the clock is still off. It's kinda sad this device is getting overlooked. I haven't tested anything else.

    Well, at least be thankful you have a recovery from which to flash mods and such. Last time I checked, Team Win isn't on any of our payrolls. Have a blessed day :laugh:
    21
    3.4 Test Image for Taimen

    Hi all. I have been working on getting Taimen re-worked the last few days based on Dees_Troy's original tree. I have a patch on gerrit and once merged I can make a official download image.

    In the meantime please test http://build.twrp.me/test/taimen/twrp-3.4.0-0-test1-taimen.img and let me know if everything is working.

    I have tested backup/restore, decryption under keymaster 3 on stock android-10 for taimen and repacking boot.img works into ramdisk.

    I am hoping someone can test the multi-user patch too. I will test it tomorrow.
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