Go to Settings->Security , hit the “decrypt” button
Reset phone and the process will take about 20 minutes, leave the charger in!
The data should be in there. ref
If no “crypt” button is found, then forget it
Tag Archives: android
Backup all data on Android phones
adb backup -shared -all -f ./Backupfilename.ab
Howto mount it on a computer
dd if=Backupfilename.ab skip=512 bs=128k iflag=nocache,skip_bytes oflag=nocache,append conv=notrunc of=OutfileimageEXT4.img
do this with all the ab files it creates, change the if= to the next file, leave the parameters as is.
Mount
sudo mount -t ext4 -o loop OoutfileimageEXT4.img /media/username/mountpoint_for_your_image