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Xiaomi Mi 11 Ultra
Android 11.0
1. Find "Data roaming"
Press Settings.
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Press SIM cards & mobile networks.
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Press Advanced settings.
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Press Data roaming.
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2. Turn data roaming on or off
Press the indicator next to "Data roaming" to turn the function on or off.
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3. Return to the home screen
Press the Home key to return to the home screen.
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