1 Find "Settings"
Press the messages icon.
Press the Menu key.
Press Settings.
2 Activate or deactivate delivery reports
Press Delivery reports below Text message (SMS) settings to activate or deactivate the function.
When the box next to the menu item is ticked (V), the function is activated.
3 Save the message centre number
Press SMS center number.
Key in +35387699989 and press Set.
4 Exit
Press and hold the Return key to return to standby mode.