Have gewechsel just the mobile operator for the whole family. Here's were the discounter no nano-SIM cards for iPhone 5 and iPad mini ... After I had already cut up several SIM cards to be printed template, some of which, despite finishing either not fit or at least had no contact, had so a Cutter ago. It was worth it. The nano-SIM is ruckzuck stamped accurately. I even the ridge and the surface briefly with an emery board. All such maps worked perfectly in the carrier and the slot and have good contact, SIM cards as industrially produced. The purchase was worth it.