Sony SGPT21 - Manual (Page 73)

Changing the Settings
Various settings of your tablet device can be changed in the settings menu.
1. Tap [ Apps] - [ Settings] and the desired items.
2. Tap the individual menu items to change settings.
The menu items are as follows:
Wireless & networks
Sound
Screen
Location & security
Applications
Accounts & sync
Privacy
Storage
Language & input
Accessibility
Date & time
About tablet