I heard [1] that SIM cards have a preference built in for networks, often over 100. But you can override that if your smartphone OS allows that. [1] in this Ge

I heard [1] that SIM cards have a preference built in for networks, often over 100. But you can override that if your smartphone OS allows that. [1] in this German podcast: https://www.heise.de/video/artikel/Podcast-c-t-uplink-17-5-Drucker-mit-Tintentanks-EU-Roaming-Freiheit-3D-Drucker-unter-200-Euro-3745874.html https://www.heise.de/video/artikel/Podcast-c-t-uplink-17-5-D...