Every year, millions of international travelers arrive in Japan and immediately begin paying more for mobile data than they need to. Not because they made an uninformed decision — but because international roaming has become so seamlessly embedded in the modern smartphone experience that using it feels like the path of least resistance. The airline
Every traveler heading to Japan faces the same fork in the road the moment their flight confirmation lands in their inbox: do you simply leave international roaming switched on and let your home carrier handle connectivity, or do you set up a dedicated Japan eSIM before you fly? One option requires zero effort. The other