From Shibuya Crossing to a ryokan in the Alps — instant data on Japan's famously fast networks, no kiosk queue at Narita.
A YonderSim Japan eSIM connects you the moment you land at Tokyo (NRT/HND), Osaka (KIX), or Sapporo (CTS). Navigate the Tokyo Metro, translate izakaya menus, and keep Maps running on the Shinkansen at 320 km/h.
Japan's networks are among the world's best — coverage holds even in subway tunnels and most mountain valleys. From Fushimi Inari at dawn to Golden Gai at midnight, you'll stay connected.
Your eSIM connects to one or more of the country's main operators automatically — you don't pick, the network does, choosing the strongest signal where you are.
Set up on Wi-Fi before flying. Airport pickup counters have queues — with an eSIM you walk straight past them.
Coverage holds along the lines, with short tunnel drops. Queue up podcasts before the mountain segments to Kanazawa or Nagano.
Many small restaurants are cash-only — data helps you find the nearest 7-Eleven ATM, which accepts foreign cards.
Yes — install before you fly, switch the line on at landing, and you're connected before immigration.
Yes. Japan's subways have full mobile coverage on all lines.
These are data plans. Keep your home SIM for calls/texts and use LINE, WhatsApp, or FaceTime over data — standard practice in Japan.
5 GB handles maps, translation, and messaging easily. Streaming or heavy socials? Go 10 GB+.
Set up in two minutes. Connected from the runway.
Get your Japan eSIM