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