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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.
Data connections need to be activated, before you can turn data roaming on or off. Click here for information on how to activate data connections.
Find "Mobile Data"
Turn data roaming on or off
Depending on the current setting, the function is turned on or off.