Set up your mobile phone for IMAP email
Turn Offload Unused Apps on or off
Restart mobile phone
Turn silent mode on or off
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 total data usage is displayed next to Current Period.
The data usage for each application is displayed below the name of the application.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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