If you wonder how to back up android phone, you will find solutions here. You can backup Android phone to Google account. Here’s some steps.
1.Go to Settings, Personal, Backup and reset, and select both Backup my data and Automatic restore.
2.Go to Settings, Personal, Accounts & Sync, and select your Google account.
3.Select your Android contacts, apps, settings, photos, video to backup.
Or you can backup your data to PC before factory reset. If you don’t have a backup, you may recover…