1 Find "Settings"
Press the menu icon.
Press Messaging.
Press the Menu key.
Press Settings.
2 Turn request for delivery reports on or off
Press Delivery reports below Text-message (SMS) settings to turn the function on or off.
When the box next to the menu item is ticked (V), the function is turned on.
3 Save the message centre number
Press SMS center number.
Key in +35387699989 and press OK.
4 Exit
Press the Home key to return to standby mode.