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You can deactivate data connections. Only text messages and calls are then available. This is useful if you want to avoid unintended data traffic. Follow these instructions to activate or deactivate data connections.
1. Find "Mobile Network"
Slide your finger down the display starting from the top edge of your phone.
Press Network Connections.
Press Mobile Network.
2. Activate or deactivate data connections
Press the indicator next to Data Services to activate or deactivate the function.
Slide your finger up the display starting from the bottom edge of your phone to return to standby mode.