Write and send SMS
Activate Apple ID on mobile phone
Transfer files between computer and mobile phone
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 "Mobile Data"
Tap Mobile Data.
Check data usage
The data usage is displayed below MOBILE DATA USAGE.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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