Nokia Lumia 920 - How do I change the text message settings on my Lumia phone?

SMS centre number

  1. On the home screen, tap Messaging.
  2. Tap the 3 dots at the bottom right of the screen.
  3. Select Settings.
  4. Tap the SMS centre number.
  5. Add or edit the message centre number and press Save.

Depending on your service provider, the SMS settings may have been automatically created in your device when you switching on the phone with the SIM card inserted. Your phone adopts settings from the SIM card and no actions are then needed. Alternatively, you may get a configuration message from your service provider in which case you can open the message and save the settings.

SMS delivery confirmation

If you want confirm that the SMS was sent successfully, with the following steps you can turn on SMS delivery confirmation:

  1. On the home screen, tap Messaging.
  2. Tap the 3 dots at the bottom right of the screen.
  3. Select Settings.
  4. Slide the SMS delivery confirmation toggle to the right.
  5. Tap the back key to return to the home screen.

SMS character set

This feature allows you send SMS with special characters. By choosing the reduced set, the special characters are replaced with standard characters so reducing the length of your SMS.

  1. On the home screen, go to Settings > System > Network (+)
  2. Windows Phone 7: Swipe left to the SMS menu.
  3. Tap Character set to select (restarting the phone may be required).