T-Mobile Galaxy Tab T489 hard reset: From the Home screen, touch T-mobile Galaxy TAB hard reset ➔ Settings ➔ Privacy

Factory Data Reset
From this menu you can reset your tablet and sound settings to
the factory default settings.
1. From the Home screen, touch T-mobile Galaxy TAB hard reset ➔ Settings ➔ Privacy.
2. Touch Factory data reset.
This action erases all data from your tablet except current
system software and bundled applications, or SD card files
such as music or photos.
3. Touch Reset Tablet.

 

Mobile backup and restore

1. From the Home screen, touch T-mobile Galaxy TAB hard reset➔ Settings ➔ Privacy.
2. Touch Back up my settings. A checkmark indicates
activation and your current savings are saved for future
use.
3. Touch Automatic restore when settings change and you
want to restore to the previous settings. A checkmark
indicates activation.

Factory Data Reset

From this menu you can reset your tablet and sound settings to
the factory default settings.
1. From the Home screen, touch T-mobile Galaxy TAB hard reset➔ Settings ➔ Privacy.
2. Touch Factory data reset then touch Reset Tablet ➔ Erase
everything.
The tablet resets to the factory default settings
automatically and when finished displays the Home
screen.