Samsung Galaxy A21s
Android 10.0
Select help topic
1. Find "Message Centre"
Press the message icon.
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Press the menu icon.
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Press Settings.
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Press More settings.
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Press Text messages.
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Press Message Centre.
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2. Set the message centre number
Key in +447785014317 and press Set.
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+447785014317
3. Return to the home screen
Press the Home key to return to the home screen.
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