Reuse it next trip
Already have eSIM BFF from another country? Just add a Japan package — no new install.
eSIM for Japan
🇯🇵 Japan eSIM from ARS 4,802.00
Docomo is the rural pick — Hakone, Nikko and the Alps. The Shinkansen has continuous LTE. You land connected on NTT Docomo, SoftBank, KDDI au, then top up anytime on the same eSIM.
- LTE + 5G
- 30 days from first connection
- Hotspot included
- Tax included
Plans & prices
Japan eSIM data plans — tax included
All Japan plans run 30 days from the moment you first connect. Prices below are indicative until we open orders.
Most popular
5 GB
ARS 9,702.00
ARS 1,940.40 per GB · indicative
- 30 days
- Hotspot included
- Top up anytime
Indicative prices in USD, tax included when we sell. Data-only eSIM — your home number keeps working for calls and SMS.
Coverage in Japan
Which networks does the Japan eSIM use?
Your eSIM roams on NTT Docomo, SoftBank and KDDI au — your phone attaches to whichever is strongest where you stand, and switches automatically when you move. 5G is available in Tokyo and other major cities where the carrier opens it to roaming profiles; elsewhere you get LTE.
Good to know before you go
- Docomo has the best rural coverage — useful for Hakone, Nikko and the Japanese Alps.
- Shinkansen lines have continuous LTE.
Top up at 0 GB
Our dashboard loads without data. Run out in Tokyo and you can still buy more.
Family-friendly
Order several Japan eSIMs at once. Each traveler scans their own QR code.
No app required
Install from email. Manage the Japan package from the dashboard — it loads at 0 GB.
How to get online
Setting up your Japan eSIM in three steps
- 01
Buy before you fly
Choose a plan above. The QR code and one-tap install link arrive by email within seconds.
- 02
Install on Wi-Fi
Settings → Cellular → Add eSIM, then scan. Turn on Data Roaming for the new line. iPhone guide · Android guide
- 03
Land in Japan
Switch the line on. Within a minute you see NTT Docomo in the status bar and your 30 days begin.
FAQ
Japan eSIM questions
How much does an eSIM for Japan cost?
Plans for Japan start at ARS 4,802.00 for 1 GB (30 days). The most popular option is 5 GB for ARS 9,702.00. All prices include tax and there is no activation fee.
Which networks does the Japan eSIM connect to?
Your eSIM roams on NTT Docomo, SoftBank and KDDI au — the phone picks the strongest signal automatically. 5G is available where the carrier offers it to roaming profiles; otherwise you get LTE.
Do I need to install a new eSIM for Japan if I already have eSIM BFF?
No. If you already installed eSIM BFF on a previous trip, just buy a Japan package in your dashboard. It attaches to the eSIM you already have and works as soon as you land.
Does the Japan eSIM include a phone number?
It is a data-only eSIM. Your normal number keeps working for calls and SMS through your home SIM, and apps like WhatsApp, FaceTime and Telegram work over the eSIM data. This keeps prices low and setup simple.
Can I use hotspot with the Japan eSIM?
Yes. Tethering is included on every plan, so you can share your Japan data with a laptop or a travel partner.
When should I buy my Japan eSIM?
Buy it before you fly and install it on Wi-Fi at home. The 30-day validity only starts when your phone first connects to a network in Japan, so buying early costs nothing.
Anything I should know about data in Japan?
Docomo has the best rural coverage — useful for Hakone, Nikko and the Japanese Alps. Shinkansen lines have continuous LTE.
Nearby
All of Asia →Traveling on from Japan?
Same eSIM. Just add a package for the next country.
🇰🇷South Korea · 5 GBARS 9,702.00🇹🇼Taiwan · 5 GBARS 7,742.00🇦🇫Afghanistan · 5 GBARS 18,522.00🇧🇩Bangladesh · 5 GBARS 9,702.00
Visiting several countries? The Asia regional plan covers Japan and its neighbors on one balance.
Land in Japan with your BFF already on.
From ARS 4,802.00 (indicative). Same eSIM next trip.
Notify me for JapanIndicative prices · Personalized for your trip · Tax included · No app