The ETravelSim Norway eSIM works at the main fjord access points including Geiranger village, Flåm, Gudvangen, Bergen-area fjord cruise terminals, and along the popular Norway in a Nutshell route with reliable 4G coverage. Signal can drop in deep narrow fjord sections and inside road tunnels — Norway has more than 1,200 road tunnels including the world's longest at Lærdal — but typically returns at the next village or tunnel exit. The Fjord Pass app and Vy ferry bookings work fluidly when you have signal. Save offline maps before remote scenic drives.