* For making mobile phone calls and use of mobile internet outside Luxembourg your HTC One M8s standardly selects the network with the best reception and most attractive tarriffs. This is called roaming.
* Therefore, keep the network selection option preferably set to automatically on your HTC One M8s.
* To manually select a different network, click *Next* for instructions.
* Go to the Start screen.
* Choose the menu symbol.
* Choose *Network operators*.
* Choose *Search networks*.
* The HTC One M8s is now searching for available networks.
* Choose the Tango network.
* The HTC One M8s will connect to the selected network.
* The HTC One M8s has been logged onto the selected network.
* Return to the Start screen.