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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 "Message Centre"
Press the menu icon.
Press More settings.
Press Text messages.
Press Message Centre.
2. Set the message centre number
Press the required SIM.
Key in +35387699989 and press DONE.
3. Return to the home screen
Press the Home key to return to the home screen.