1. Android Central Question's Avatar
    TL;DR: Forgot my Android encryption password, only have 10 tries left before data wipe, how can I backup my phone to get 10 more tries if I don't manage to find the password within 10 tries?

    For context:
    *ROM: Lineage 14 official build
    *Custom recovery: TWRP
    *Bootloader: Unlocked
    *The phone is not rooted.
    *No SD card port.

    *The phone is encrypted with a password (not a PIN)

    *I don't remember the exact encryption password, so I can't get past the password prompt after booting. But I am sure I can find it if I keep trying. It might take me more than 10 tries to enter all variations though.

    *I can't access or mount /data from TWRP (nor can I get past the password promt after booting) without the password.

    *After entering the wrong password multiple times, the password prompt says I only have 10 tries left before the data gets wiped, and I must avoid this at all costs. (Since Android 6 or 7, there is a limited number of tries before the phone gets wiped)

    My question is: How can I make a backup of the phone in it's current state, so that even if I don't manage to enter the right password after booting the phone 10 times, I can restore the phone in it's current state and still have 10 more tries (and eventually repeat this if I still don't manage to find the password after 20 tries)?

    I have found some tutorials that show how to backup /dev/block/mmcblk0, but they require root (I can't install anything in my phone since it's encrypted...). And I am not even sure if it will work to restore the phone in it's "10 tries left".

    I also don't have access to /data partition from TWRP without entering the password (it shows "0MB") so I can't backup the /data partition from TWRP.

    Thanks
    12-06-2020 11:35 AM
  2. belodion's Avatar
    It doesn't answer your question directly, but hypnotic recall may retrieve the password, obviating the need for all those troublesome complications.
    https://forums.androidcentral.com/sh...d.php?t=409154
    12-06-2020 06:34 PM

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