1. Find "Data roaming"
Press the Navigation key.
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Select Settings.
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Select Connectivity.
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Select Mobile data.
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Select Mobile data.
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Select Data roaming.
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2. Turn data roaming on or off
Select Allow roaming to turn on the function.
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Select Don't roam to turn off the function.
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3. Return to the home screen
Press Disconnect to return to the home screen.
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