- Your device may need extra settings if you want to send SMS messages with your Tango SIM card.
- Click Next for step-by-step instructions on how to manually set up the SMS centre on your Nokia Lumia 925.
- Go to the Start screen.
- Scroll to the right.
- Choose the options symbol.
- Scroll down.
- Under SMS centre number, choose the text box.
- Enter +352091000030, and choose save.
- The SMS centre has been activated.
- Return to the Start screen.
- Start screen.
- The Nokia Lumia 925 can now be used for receiving and sending SMS messages in Luxembourg and abroad.