To see what each step looks like on your phone, just click each step and check out the picture. You can also use the arrow keys on your keyboard.

  • All you need to do is:
  • 1. From the home screen, press the Menu key.
  • 2. With Message highlighted, press the Centre key.
  • 3. Use the Scroll key and highlight Settings.
  • 4. Press the OK key.
  • 5. With Text message highlighted, press the OK key.
  • 6. With SIM highlighted, press the Select key.
  • 7. With SC address highlighted, press the Edit key.
  • 8. To clear the number, press the Delete key.
  • 9. Press and hold the + to enter a + symbol.
  • 10. Use the keypad and enter 447958879890.
  • 11. Press the Options key.
  • 12. With Done highlighted, press the Select key.
  • 13. And that's it! You'll now be able to view and edit the service centre number.