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A text message is a message that can be sent to other mobile phones. Your phone can send and receive text messages as soon as you've inserted your SIM. If this isn't the case, you can set up your phone for text messaging manually.
1. Find "Short Message service center (SMSC)"
Press the message icon.
Press the menu icon.
Press Additional settings.
Press Short Message service center (SMSC).
2. Set the message centre number
Press the required SIM.
Key in +447785016005 and press OK.
3. Return to the home screen
Press the Home key to return to the home screen.