Find "Settings"
Press arrow up to access the main menu.
Press Messages.
Press the Menu key.
Press Settings.
Save the message centre number
Press Service center.
Key in +35387699989 and press OK.
Activate or deactivate request for delivery reports
Press Delivery reports below SMS settings to activate or deactivate the function.
If you turn on request for delivery reports, you'll be notified when your text message has been delivered.
When the box next to the menu item is ticked (V), the function is activated.
If you turn on request for delivery reports, you'll be notified when your text message has been delivered.
Exit
Press the Home key to return to standby mode.