OPPO Reno8 5G
Android 12.0
Select help topic
1. Find "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 Mobile network.
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2. Turn use of SIM on or off
Press the required SIM.
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Press the indicator next to "Enable" to turn use of the SIM on or off.
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Press the Return key.
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3. Select default SIM for voice calls
Press Calling.
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Press the required setting.
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4. Select default SIM for mobile data
Press Internet.
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Press the required SIM.
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5. Return to the home screen
Press the Home key to return to the home screen.
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