1 Find "Dual SIM & Mobile Network"
Slide two fingers downwards starting from the top of the screen.
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Press the settings icon.
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Press Dual SIM & Mobile Network.
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2 Turn data roaming on or off
Press the name of the SIM.
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Press the indicator next to "Data Roaming" to turn the function on or off.
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If you turn on the function, press On.
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3 Return to the home screen
Press the Home key to return to the home screen.
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