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OPPO A72
Android 10.0
1. Find "Custom SMSC"
Press the message icon.
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Press the menu icon.
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Press the required SIM.
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Press Custom SMSC.
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2. Set the message centre number
Key in +447785016005 and press OK.
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+447785016005
3. Return to the home screen
Press the Home key to return to the home screen.
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