*Updated on May 19, 2025.
Your flight’s booked, your itinerary’s set, and Japan is just around the corner! But before you dive into all the exciting experiences, one thing you’ll need is a reliable way to stay connected. With eSIM technology now widely available, staying online in Japan has never been easier. Whether you’re using a Japan SIM card or an eSIM, this guide will help you figure out the best option for your iPhone, so you can stay connected throughout your trip.