Error validating footer как исправить

AVB fail, error validating footer (6)

So my cousin gave me her S10+ with this screen. I’ve looked on YouTube and Reddit, but I can’t find good instructions on how to fix this.

I can’t get out of this screen no matter what I do (except running out of battery). When it restarts, it immediately goes into this screen. SmartSwitch doesn’t recognize the phone, but I hear that the phone connects with my PC. Before I gave her the phone I manually installed an update to Android 12, because it failed to do it automatically over and over.

I’ve never flashed any firmware, so I haven’t got much experience either.

Everything was fine on my rooted device with magisk, until I flashed a custom recovery (TWRP) on RECOVERY partition.
That didn’t work, resulting in a message «recovery error validating footer vbmeta» during boot into «download mode».

Perhaps the device was still ok after that.
However, trying to fix the message and put TWRP to work, I flashed a vbmeta.img on VBMETA partition.
This resulted in the current boot loop, I suppose because of some checksum regarding vbmeta and the (stock) root partition.

Is there any hope for this device?

I am still waiting for the battery to drain, but so far all the attempts with using the buttons/USB failed to be able to communicate with the device in any way.
I does anything other than just rebooting.

all galaxy A10 to A71 reason product error validating footer solution

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These tools function beautifully in the FRP lock subject, and each of the
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Another method for FRP

The only method to deactivate a Samsung account from a phone without a password is to contact Samsung to locate and delete the account. If you wish to begin the procedure on your Samsung phone, follow the comprehensive instructions below.

  1. Unlock your phone, then launch the Samsung phone settings app from the app drawer.
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  4. A prompted browser prompts you to enter your ID and password, as well as your email address. After that, Samsung will send you an email with a link to reset your password.
  5. Return to your Samsung account settings and select «Remove Account» from the top-right menu bar.

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Прошу помощи. Попытался перепрошить M31 Odinом3 v3.14.4 прошивкой SM-M315F M315FXXU2BUG2 . Телефон на данный момент пишет:

ODIN MODE (AVB Fail)
prism: error validating footer
prism: error verifying vbmeta image: invalid vbmeta header (6)
CUSTOM prism
Перезагрузка зажатием кнопки Громкость вниз + Питание только перезагружает аппарат к той же надписи.

до первой перезагрузки после ошибки было еще это
SW REV. CHECK FAIL (BOOTLOADER) DEVICE: 3, BINARY: 2
pit_flash_binary — Unsupported Version.

, в принципе ошибку свою осознал — что сделал понижение, сейчас нашел прошивку M315FXXU3CVH2, но прошить его не могу, ибо телефон не определяется коипьютером

Есть ли способ выйти на режим, в котором возможна прошивка. Спасибо

/e/OS community

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