The world's fastest eSIM network.
Japan's only eSIM running on KDDI's native 5G infrastructure. Not resold, not roaming - direct access to Japan's most advanced mobile network.
Japan KDDI Native 5G
Max Speed
871Mbps
5G Blazing Fast
Data Policy
True Unlimited
Always Max Speed
Experience
Native Local IP
Low Latency (~32ms)
99% Population Coverage
Stable connection even in rural areas, subways, and Shinkansen bullet trains.
Why Native matters
Unlike roaming cards, you get a real Japanese local IP. Disney+, TikTok, and Japanese apps work perfectly.
Premium Network
Powered by KDDI.
Experience Japan's fastest mobile network. KDDI delivers blazing 5G speeds and flawless nationwide coverage wherever your journey takes you.
Premium connectivity:
Japan eSIM
Instantly activate your Japan data plan. Enjoy seamless nationwide coverage, transparent pricing, and zero roaming fees.
Get your Japan eSIM in 3 steps.
No SIM card. No waiting at the airport. Just fast, reliable data the moment you land.
Choose Your Plan
Pick the Japan eSIM data plan that suits your trip length. Receive your QR code by email - instantly, no waiting.
Scan & Install
Go to your phone settings and scan the QR code. Your Japan eSIM installs in under two minutes - no app, no SIM card needed.
Land & Connect
Switch on your eSIM when you arrive. It auto-connects to KDDI's 5G network across Japan - you're online before your bags arrive.
What Japan travelers are saying.
“Best Japan eSIM I've used. Coverage was perfect from Narita all the way to Okinawa. I was connected before I even left the arrivals hall - no pocket Wi-Fi, no stress.”
Sarah M.
14-Day Japan Trip
“Faster than my home broadband in Osaka. Used it for remote work the whole trip - video calls, file uploads, everything. Not a single dropout across two weeks.”
David K.
Digital Nomad
“Bought it at the departure gate, scanned the QR code on the plane, had full 5G signal as soon as we landed. Genuinely the easiest part of the whole trip.”
Elena R.
First-Time Visitor to Japan