Reference
To reset your tablet device.
- Tap [
Apps & Widgets] - [
Settings] - [Backup & reset] - [Factory data reset], and then tap [Reset tablet] at the bottom of the menu on the right.
-
All data in the data storage area is deleted, including the Google account information, the system data and settings, and any application data you have downloaded.
-
User data such as music, photos, and eBooks transferred from an SD memory card or a device that connects via USB is not deleted.
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To delete all user data such as music, photos, and eBooks, tap [Erase USB storage] to put a check in the check box, and then tap [Reset tablet].
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It is recommended that you make a backup copy of important data because the user data cannot be restored after being deleted.
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The tablet device restarts automatically.