- From the home screen, tap Phone.
- If the dial pad is not visible, tap Keypad.
- Enter *#5005*7672#, then tap Call.
- The current SMSC setting is shown on the screen.
- Tap Dismiss.
- If the SMSC number needs changing, enter **5005*7672*SMSCNUMBER#, (where SMSCNUMBER is replaced with the correct SMSC number in full international format).
- Tap Call.
- The message "Setting succeeded, Service Centre Address, No Address" will appear on screen.
- Tap Dismiss.
- Enter *#5005*7672# then tap Call.
The new SMSC number will be shown on the screen.