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Samsung Galaxy A5 (2016)
Android 5.1.1
1 Find "Message centre"
Press Messages.
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Press MORE.
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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 +6421600600 and press SET.
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+6421600600
3 Return to the home screen
Press the Home key to return to the home screen.
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