1. Android Central Question's Avatar
    The problem is this: Samsung A5 Galaxy 2017 A520F Android 8.0.0 Oreo Stock ROM Starting point:
    I accidentally deleted photos / screenshots.

    I want to pull a data dump from the32 gb block device (dd or adb pull).
    This will hopefully save my deleted images with Photorec.

    Via twrp and adb I could already pull the mmcblk0 debice 32gb.

    Problem: this seems Samsung encrypted.
    Question:
    Option a: does a possibility exist to decrypt this img file 32 GB on the PC? (Samung tools) Attention: I am the owner, I have all keys: Google Account, PIN, Wipe gesture. I am the owner.

    Option b:
    exists a way to get SU/root rights via twrp or other wg WITHOUT data wipe? Then I can try a SU dd dump to an external sd card during the stock rom is running and hopfully has the device somewhere mounted in a decrypted manner.

    Are there any other options?

    Thanks a lot.
    07-04-2019 02:27 PM
  2. Rukbat's Avatar
    Doing a dd dump of encrypted files gives you an image of a partition with encrypted files - PhotoRec is good, but not that good. If the deleted files look like picture files, they'll be extracted, but they probably won't look like any recognizable format.

    You can't decrypt a deleted file. You might be able to decrypt all of storage.

    You should be able to run dd without root - I just did on a Pixel 2 - just run a terminal app.
    07-04-2019 03:17 PM

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