Find "Settings"
Press the menu icon.
Press Messaging.
Press the Menu key.
Press Settings.
Activate or deactivate delivery reports
Press Delivery reports below Text message (SMS) settings to activate or deactivate the function.
If you activate delivery reports, you will 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 activate delivery reports, you will be notified when your text message has been delivered.
Save the message centre number
Press SMS center number.
Key in +35387699989 and press Set.
Exit
Press the Home key to return to standby mode.