1 Find "Edit"
Press the Left selection key.
Press the Left selection key.
Select Text message.
Select SIM.
Select Profile settings.
Highlight the required profile.
Press the Left selection key.
Select Edit.
2 Enter the message centre number
Highlight the field below "SMSC address".
Key in +35387699989 and press the Left selection key.
3 Return to the home screen
Press Disconnect to return to the home screen.