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Userdata.img partition recovery

Userdata.img partition recovery

Oni Precious
Oni Precious
Oni Precious
Techie Member
70
15-05-2020, 03:32 PM
#1



Pls guys I backed up a userdata.img which I tried to open but with Linux reader but it keeps saying unallocated
X3non
X3non
X3non
Recognized Contributor
22,062
16-05-2020, 08:22 AM
#2
(15-05-2020, 03:32 PM)Oni Precious Pls guys I backed up a userdata.img which I tried to open but with Linux reader but it keeps saying unallocated

what device did you take this backup from? android version too?
what was the condition of the phone before you took the backup? able to boot to homescreen or bricked?
Oni Precious
Oni Precious
Oni Precious
Techie Member
70
19-05-2020, 10:17 PM
#3
It was a techno pop3 mt6580 device which is locked with a forgotten password so I did a userdata.img backup before flashing the phone....so now I tried to mount the userdata.img using Linux reader but it just saying unallocated....pls any help on how I can recover those files from the usedata.img worth of 12g
Oni Precious
Oni Precious
Oni Precious
Techie Member
70
19-05-2020, 10:22 PM
#4
The techno pop3 version is Android version v8.1 and it's working fyn only that the screen is locked and the password is forgotten
X3non
X3non
X3non
Recognized Contributor
22,062
20-05-2020, 11:09 AM
#5



(19-05-2020, 10:17 PM)Oni Precious It was a techno pop3 mt6580 device which is locked with a forgotten password so I did a userdata.img backup before flashing the phone....so now I tried to mount the userdata.img using Linux reader but it just saying unallocated....pls any help on how I can recover those files from the usedata.img worth of 12g

the device has encrypted data, you won't be able to get anything out of the userdata.img
Oni Precious
Oni Precious
Oni Precious
Techie Member
70
20-05-2020, 02:16 PM
#6
But there should be a way I can decrypt it...?and moreover when i dumped the rom with wwr and sp flash tool....I did not see any message that the userdata.img is encrpted
X3non
X3non
X3non
Recognized Contributor
22,062
20-05-2020, 10:24 PM
#7
(20-05-2020, 02:16 PM)Oni Precious But there should be a way I can decrypt it...?...

there's none, not that i'm aware off any such program that'll break google's encryption
only flashing the userdata as well as metadata back to the phone, then phone should be able to decrypt the userdata which will bring you back to the lock screen


(20-05-2020, 02:16 PM)Oni Precious ...and moreover when i dumped the rom with wwr and sp flash tool....I did not see any message that the userdata.img is encrpted

devices running on android 8.1 have userdata set to encrypt by default, this is all part of google's antitheft security features. tools used to backup don't show that userdata is encrypted
Oni Precious
Oni Precious
Oni Precious
Techie Member
70
20-05-2020, 11:20 PM
#8
Okay is there a way to clear the lock screen
After flashing the userdata and metadata back to the phone....without loosing the files and usb debugging is not enabled?
X3non
X3non
X3non
Recognized Contributor
22,062
21-05-2020, 10:27 AM
#9
(20-05-2020, 11:20 PM)Oni Precious ....without loosing the files and usb debugging is not enabled?

No
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