Turning mobile data on my tablet on or off
If you want to avoid using data, you need to turn off mobile data on your tablet. Once done, you can only use applications that don't require an internet connection.
1. Find "Cellular Data"
Tap Cellular Data.
2. Turn mobile data on or off
Tap the indicator next to "Cellular Data" to turn the function on or off.
3. Return to the home screen
Tap the Home key to return to the home screen.