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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.
1. Find "SMS Service Centre"
Press the message icon.
Press the menu icon.
Press Text Message (SMS).
Press SMS Service Centre.
2. Save the message centre number
Key in +35387699989 and press OK.
3. Return to the home screen
Press the home icon to return to the home screen.