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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 "Msg. centre number"
Press the Navigation key.
Press the Left selection key.
Select Message settings.
Select Text messages.
Select Msg. centre number.
2. Enter the message centre number
Key in +447785016005 and press the Navigation key.
3. Return to the home screen
Press Disconnect to return to the home screen.