1 Find "Edit"
Press the Navigation key.
Select Messages.
Select Settings.
Select SMS settings.
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" and key in +35387699989.
+35387699989
Press the Left selection key.
3 Return to the home screen
Press Disconnect to return to the home screen.