is there an open source way to recover deleted files from Android Internal Storage? (lemmy.ml)

submitted 6 months ago by jackpot@lemmy.ml to c/asklemmy@lemmy.ml

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hi all, accidentally deleted some audio files i need an hour ago. any way to get them back?

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[-] thebardingreen@lemmy.starlightkel.xyz 12 points 6 months ago* (last edited 6 months ago)

Can you mount the internal storage to a Linux machine, dd it to a .img file and try the usual data recovery tricks?

https://andreafortuna.org/2018/12/03/android-forensics-imaging-android-file-system-using-adb-and-dd/

EDIT: Apparently, you don't need dd. adb pull can do it.

adb pull /dev/block/mmcblk0 mmcblk0.img

[-] brokenlcd@feddit.it 10 points 6 months ago

That only works if the phone doesnt have disk encryption turned on since at the low level recovery tools work at an encrypted disk basically looks like gibberish; and since most phones nowdays have that option enabled by factory; i don't think it will give any results

[-] jackpot@lemmy.ml 4 points 6 months ago

i use graphene too

[-] brokenlcd@feddit.it 6 points 6 months ago* (last edited 6 months ago)

From what i understood on graphene there is file based encryption instead of block based (whole partition is encrypted) to allow each user profile to have different keys; this is how it's written on the site

(If i misunderstood what you where trying to tell me; i'm sorry, english isn't my first language and i wasnt able to understand if you meant to say it as a specification or as a "oh, you use graphene as well")

this post was submitted on 12 Feb 2024

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