eSIM for Japan
Mobile data in Japan on Softbank and KDDI. Install by QR before you fly and keep your Indian SIM on for OTPs and UPI. ₹ prices are an estimate; you pay by card in US$.
- 500 MB–20 GB plans
- 3–30 days
- Softbank and KDDI · 5G
eSIM for Japan: from ≈ ₹192 (US$1.99), plans from 500 MB to 20 GB and the option of Unlimited (3 GB/day at high speed, then 1 Mbps), valid up to 30 days, 13 options in total. The 5 GB plan for 30 days costs ≈ ₹918 (US$9.49), or ≈ ₹184 per GB. The networks are Softbank (5G) and KDDI (5G). You pay by card in US dollars, and the eSIM QR code arrives by e-mail after payment. The days count from the first connection to a network in Japan, not from the purchase. You can install the profile up to one year after purchase. The APN is entered by hand on Android: wbdata. Prices checked in the catalogue on 12 Oct 2026.
Does my phone support eSIM?
On an iPhone, open Settings → General → About: if there is an EID line, the phone has an eSIM. On Android, look for an Add eSIM option in the SIM settings. Can’t find it? Look up your model in the list of eSIM-compatible phones.
Plans from ≈ ₹192
Unlimited plans, with a daily high-speed limit
Data only, no phone number. The days start with your first connection in Japan. ₹ at the market rate of 9 Oct; you are charged in US$ by card. Your bank converts the US$ charge at its own rate and may add a foreign-transaction fee — how card payment works. US$ prices checked in the catalogue on 12 Oct 2026.
Payment by card & guarantees
You pay by card in US dollars. The ₹ price is an estimate at the market rate of the day: your bank converts the US$ charge at its own rate and may add a foreign-transaction (forex markup) fee. International online transactions must be enabled on your card. How card payment works.
Sold by JET SHARING MOBILITY INC (United States); your bank statement shows JET SHARING. Full refund within 30 days of purchase while the eSIM has not connected to any network. If the eSIM doesn't work and it isn't your phone's fault, we refund the payment whether or not it was installed. Questions: WhatsApp or support@esimgo.in.
From people who already bought
Price per GB in Japan
On the 20 GB plan, 1 GB costs ≈ ₹97 (US$1.00), 62% less than on the smallest plan. If your trip lasts more than a few days, the smallest plan usually works out expensive: paying for a bigger data pack costs less than buying a second one.
How many GB for Japan
To work it out for your own route and habits, use the data calculator.
Daily use is a guide for mobile data: HD video and sharing a hotspot from your phone use a lot more. If in doubt, take the next plan up. If you run short, you can top up the same profile in Japan.
eSIM conditions for Japan
Conditions from the partner network’s catalogue, checked at every site update.
Jio, Airtel and Vi roaming × eSIM in Japan
For a week in Japan with 0.8 GB of data a day, the cheapest prepaid choice at Jio is the IR Voice and Data pack ₹1,551 (8 GB · 14 days); at Airtel is the IR pack ₹1,298 (6 GB · 10 days); at Vi is the 3 × Budget ₹1,495 (3 × 2 GB · 15 days, ₹4,485 in total). The eSIM that covers the same week costs ≈ ₹966 (US$9.99), with 10 GB for 30 days, paid once. Operator packs may include calls and SMS on your Indian number; the eSIM is data only.
| Trip | Jio | Airtel | Vi | eSIM in Japan |
|---|---|---|---|---|
| 7 days | ₹1,551 8 GB · 14 days | ₹1,298 6 GB · 10 days | ₹4,485 3 × 2 GB · 15 days | ≈ ₹966 10 GB · 30 days · US$9.99 |
| 15 days | ₹2,851 12 GB · 30 days | ₹2,596 2 × 6 GB · 10 days | ₹8,970 6 × 2 GB · 15 days | ≈ ₹1,933 2 × 10 GB · 30 days · US$19.98 |
| 30 days | ₹4,653 3 × 8 GB · 14 days | ₹5,192 4 × 6 GB · 10 days | ₹14,990 5 × 5 GB · 30 days | ≈ ₹2,899 3 × 10 GB · 30 days · US$29.97 |
The sums assume data every day at 0.8 GB a day, the same norm as the data calculator; highlighted is the cheapest option that covers it. Prepaid packs, at the operator’s ₹ price; the eSIM in ₹ at the market rate of 9 Oct, charged in US$ by card. For postpaid, other days or other usage, work out your own trip.
Sources: Jio, checked on 12 Oct 2026: jio.com: International Roaming plans, Jio: 100-country list (PDF); Airtel, checked on 12 Oct 2026: Airtel IR T&C (PDF), airtel.in/ir-packs; Vi, checked on 12 Oct 2026: Vi prepaid IR T&C (PDF), Vi postpaid IR T&C (PDF).
More destinations: Asia
Before you travel
Frequently asked questions
How much does a day of mobile data cost in Japan?
Among plans with a fixed data allowance, from US$0.27 a day, on the 3 GB plan for 30 days (US$7.99). The most expensive per day is 20 GB for 30 days: US$0.67. Short plans almost always cost more per day, and unused days are not refunded.
Which network does the eSIM use in Japan?
The profile connects to Softbank (5G), KDDI (5G). You don’t pick the operator by hand: the profile joins whichever network on the list is available.
What if it doesn't work when you land?
Check, in this order: data roaming is on for the eSIM line, the eSIM is chosen as the line for mobile data, and airplane mode is off. On this network the APN is entered by hand on Android: wbdata. Still no connection? See what to check when the eSIM has no signal abroad.
General questions have their own pages: how card payment works, refund policy, how to install an eSIM and help and FAQ.
Prices come from our partner operator’s catalogue and may change; the amount at the moment of payment applies. We are not a mobile operator: network access is provided by the partner operator, under the plan’s terms. See the terms and the refund policy.