PocketBook SURFpad 3 (7,85") - Manual (Page 36)

SETTINGS
36
RESTORE YOUR TABLET TO FACTORY SETTINGS
Select Settings > Backup & reset > Factory data reset menu item, in opened
window press Reset tablet and Erase everything . It will restore your tablet
to the factory settings and erase all your personal information: downloaded
applications, system settings, google account.
Another way to restore your tablet to factory settings:
• Press and hold Volume + button and switch the Device on by pressing
power button
Clean SD card storage Press to reset tablet