eSIM guides
Every eSIM article on the Switzerland eSIM blog, newest first.
The Border-Network Trap Near Geneva, Basel and Lugano
Why your phone can pick up a foreign network while you're standing in Switzerland, and the exact settings to force it back onto a Swiss one.
Do Tourists Actually Need a Swiss SIM Card?
An honest look at whether visitors to Switzerland need local connectivity at all, and why the answer usually points to an eSIM rather than a physical SIM.
Why Your EU Roaming Plan Might Still Charge You in Switzerland
Switzerland sits outside the EU roam-like-at-home rule. Here is the mechanism behind a surprise Swiss roaming charge, and how to avoid it.
Switzerland on a Europe Trip: One eSIM or Two?
If your itinerary mixes EU countries with Switzerland, here's an honest look at whether one pan-European eSIM covers the trip or you need a second.
Staying Connected on the Zurich–Interlaken–Zermatt Train Line
An honest look at signal along one of Switzerland's classic rail routes: where it's excellent, where tunnels interrupt it, and how to plan around both.