Transfer files between computer and mobile phone
Turn notifications on or off
Set date and time
You can see how much data you've used when you've used the browser or when you've sent and received email etc.
Find "Data usage"
Slide your finger downwards starting from the top of the screen.
Tap the settings icon.
Tap Data usage.
Check data usage
The total data usage is displayed.
The data usage for each app is displayed below By application.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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