Scenario 3: Lock screen present, USB debugging activated The following tip does not work on all devices, but is worth a try. Your smartphone does not necessarily have to be rooted in this scenario.

Hidden away in your Android phone's developer settings is a powerful feature called USB debugging. It's a special mode that opens a direct line of communication between your smartphone and a computer, ...

USB debugging means that if you break your phone's touch screen, you can still retrieve any files you have not backed up.