Billing & payments
Costs and charges
Calls and contacts
Apps and media
Cause 1 of 4: Mobile data usage for applications is turned on
If mobile data usage for applications is turned on, the applications will use mobile data when your phone is not connected to a Wi-Fi network.
Solution: Turn off mobile data usage for applications.
Turn mobile data on or off
Slide your finger downwards starting from the top of the screen.
Press Mobile data to turn the function on or off.
Turn use of mobile data for applications on or off
Press the settings icon.
Press Wireless & networks.
Press Mobile data.
Press Networked apps.
Press the field next to the application name in the "Mobile data" column to turn the function on or off.
Return to the home screen
Press the Home key to return to the home screen.
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