Find "SMS"
Slide your finger left across the display to open the main menu.
Press Text Messages.
Press Text Messages.
Press the dots in the bottom right corner of the display.
Press Settings.
Press Text Messages.
Press SMS.
Turn request for delivery reports on or off
Press the indicator next to Confirm Delivery to turn the function on or off.
If you turn on request for delivery reports, you'll be notified when your text message has been delivered.
Save the message centre number
Press Advanced.
Press the field below Service Centre Address.
Key in +35387699989
Key in +35387699989
Select data bearer
Press the drop down list below Routing Preference.
Press Circuit Switched Preferred.
Select message type
Press the drop down list below Send Text-Only Messages as.
Press SMS.
Save settings
Press Save.
Exit
Slide your finger up the display starting from the bottom edge of your phone to return to standby mode.