GAutomatic restore. Check this option to restore settings and other data when you reinstall an app. This feature requires that you are backing up your data with your Google Account and that the app is using the backup service.
GFactory data reset. Touch this option, then Reset phone to erase all your personal data from inter- nal storage, including information about your Google Account, any other accounts, your system and app settings, any downloaded applications, and your music, photos, videos, and other files.
After resetting your phone, you'll need to
Some
Related topic
Why use a Google Account?
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