I have a samsung A30 cellphone that runs Android 10 and I basically need to recover my deleted files. In order to do that, I need to know the filesystem because forensic tools require such information. I made a small research, but I couldn't find any information on Android 10 OS's file system. So what I am asking is what file system does Android 10 have and do file systems depend on Android versions? Any help will be appreciated.
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1I think this would help you android.stackexchange.com/q/208106/131553– beeshyamsCommented Nov 27, 2020 at 10:26
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if your device is rooted it's ext4 otherwise it's encrypted (and recovery pointless)– alecxsCommented Nov 27, 2020 at 13:01
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Thank you both @beeshyams and alecxs. I will try to root my device now and lets see how it goes.– KontrCodeCommented Dec 4, 2020 at 10:23
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let me clarify: you can not recover files because your device is encrypted. once the encryption keys are wiped, data is unrecoverable. this is true for FDE full-disk-encryption on factory reset, and for FBE file-based-encryption on deleted files. be aware rooting involves factory reset (see step 4). no hope, sorry– alecxsCommented Dec 6, 2020 at 11:59
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@alecxs so you say it is impossible to recover an unrooted android mobile phone, right? Recovering a wiped (factory-reset) cell phone is possible only on rooted devices.– KontrCodeCommented Dec 6, 2020 at 12:38
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1 Answer
according to this TWRP the Samsung Galaxy A30 SM-A305F is shipped with Android 9.0 (Pie) FDE full-disk-encryption
BoardConfig.mk
# Filesystem
TARGET_USERIMAGES_USE_EXT4 := true
TARGET_USERIMAGES_USE_F2FS := true
The file system type depends on ROM and can be F2FS or EXT4
