Find "Options"
Press the Menu key twice.
Scroll to Text Messages and press the Navigation key.
Press the Menu key.
Scroll to Options and press the Navigation key.
Turn request for delivery reports on or off
Scroll to Delivery Report and press the Navigation key to turn request for delivery reports on or off.
When the box next to the menu item is ticked (V), the function is turned on.
Select validity period
Scroll to Validity Period and press the Navigation key.
Scroll to Max and press the Navigation key.
Select message type
Scroll to Sent As and press the Navigation key.
Scroll to Text and press the Navigation key.
Save the message centre number
Press Service Centre and key in +35387699989
Select data bearer
Scroll to Network to Send Over and press the Navigation key.
Scroll to Circuit Switched and press the Navigation key.
Save and exit
Press the Menu key.
Scroll to Save and press the Navigation key.
Press Disconnect.
Press the Return key to return to standby mode.