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How to
Turning mobile data on my mobile phone on or off
If you want to avoid using data, you need to deactivate mobile data on your mobile phone. Once done, you can only make voice calls, send SMS and use applications that don't require an internet connection.
Slide your finger down the display starting from the top edge of your mobile phone.
Tap ALL SETTINGS.
Tap mobile+SIM.
Tap the indicator next to "Data connection" to turn the function on or off.
Tap the home icon to return to the home screen.