Step by step instructions on how to backup all data on android before factory reset. In general, there are several ways a full backup on android. We consider three simple methods. How to backup all data on android before factory reset without Root Most smartphones and tablets has a special tool to create system backups. Proceed as follows to use it: Before you backup all data on android, you need to charge device at least 60%. Otherwise, it will turn off during copying, hang and will require extensive repairs. The memory card should have at least 500 MB of free space. Turn off … [Read more...] about How to Backup all data on Android before Factory Reset