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You can deactivate data connections when roaming. Only text messages and calls are then available. This is useful if you want to avoid unintended data traffic when roaming. Follow these instructions to turn data roaming on or off.
Find "Mobile Network"
Slide your finger down the display starting from the top edge of your phone.
Press Network Connections.
Press Mobile Network.
Turn data roaming on or off
Press the drop down list below Data services while roaming.
Press On or Off.
Slide your finger up the display starting from the bottom edge of your phone to return to standby mode.