1 Find "Settings"
Press the Menu key.
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 Message Centre.
Key in +35387699989 and press OK.
Press the Home key to return to standby mode.