Wednesday, 30 September 2015

ADB backup incomplete



In the aim of disabling encryption on my stock Nexus 5 I had to wipe the device. To not lose my data I researched backups and I came across the ADB method. I did several updates using different commands as I was never sure if the backup completed. The command did return however (i.e. the cursor appeared on CMD).
I ran the following:

Code:


adb backup -apk -shared -all -f C:\backup\backup.ab


Code:


adb backup -apk -shared -all -nosystem -f C:\backup\backup.ab

The end result is me having 4 backup files in the 2.8GB to 2.9GB range.

After trying ADB restore on two of them, most of my applications are not restored. I can live with that, but I would prefer if there is a way to restore my whatsapp data.

To try and diagnose the problem ibought Titanium Backup Pro to use their Extract from ADB backup option. That way I could tell what applications made it through. I unpacked then repacked the .ab file to remove the encryption by following this guide. Once I put the .ab on my phone, Titanium Backup said the backup file isn't supported.

Any thoughts ? I'm working on Windows 10 but I also dual boot with Ubuntu.



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