Device Guides

Search in Samsung Galaxy S III
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Activating or deactivating data connections on my mobile phone
If you want to avoid using data, you need to deactivate data connections on your mobile phone. Once done, you can only make voice calls, send SMS and use applications that don't require an internet connection.
Tap Apps.
Tap Settings.
Tap More settings.
Tap Mobile networks.
Tap Use packet data to activate or deactivate the function.
When the box next to the menu item is ticked (V), the function is turned on.
Tap the Home key to return to standby mode.