Perform a full backup of an android device

First, you have to setup adb. adb is shipped with the android sdk, freely available online. Plug your phone using usb cable to your commputer, run adb devices.

I got a strange output:

Once again, stackoverflow saved my life. Just add a rule for udev containing:

and set the correct permissions on that file chmod a+r /etc/udev/rules.d/51-android.rules.

Unplug the phone, plug it back, and ...

Your phone should now ask you wether you want to allow USB debug, select yes.

You should now see something like

And can now perform a backup using ./adb backup -all -f ~/android_phone. If your phone is encrypted, you'll be asked for your password on your phone.