* For making mobile phone calls and use of mobile internet outside Luxembourg your Apple iPhone 7 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 Apple iPhone 7.
* To manually select a different network, click *Next* for instructions.
* Go to the Start screen.
* Choose *Settings*.
* Scroll down.
* Choose *Mobile Data*.
* Choose *Network Selection*.
* Choose the Tango network.
* The Apple iPhone 7 has been logged onto the selected network.
* Return to the Start screen.