* 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 M8.
* Go to the Start screen.
* Choose the menu symbol.
* Choose the options symbol.
* Choose *Text messages(SMS)*.
* Choose *Service center*.
* Enter +352091000030 and choose *OK*.
* The SMS centre has been configured.
* Return to the Start screen.
* Start screen.
* The HTC One M8 can now be used for receiving and sending SMS messages in Luxembourg and abroad.