* For making mobile phone calls and use of mobile internet outside Luxembourg your iPhone SE 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 iPhone SE.
* To manually select a different network, click *Next* for instructions.
* Go to the Start screen.
* Choose *Settings*.
* The iPhone SE is now searching for available networks.
* Choose the Tango network.
* The iPhone SE has been logged onto the selected network.
* Return to the Start screen.