- 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 HTC One.
- Go to the Start screen.
- Choose the messaging symbol.
- Choose the options symbol.
- Choose Text messages (SMS).
- Enter +352091000030, and choose OK.
- The SMS centre has been activated.
- Return to the Start screen.
- Start screen.
- The HTC One can now be used for receiving and sending SMS messages in Luxembourg and abroad.