1 Find "Profile settings"
Press the Navigation key.

Select Messages.

Select Settings.

Select Text message.

Select SIM.

Select Profile settings.

2 Enter the message centre number
Highlight the required profile.

Press the Left selection key.

Select Edit.

Highlight the field below "SMSC address".

Key in +35387699989 and press the Left selection key.

Select Save.

3 Select validity period
Select Validity period.

Press Navigation key right to select Maximum.

4 Return to the home screen
Press Disconnect repeatedly to return to the home screen.
