🇯🇵 Japan eSIM
Japan operates at a frequency unlike anywhere else — a country of extraordinary contradictions where ancient Shinto shrines sit beside glass towers, sushi masters devote lifetimes to a single fish, bullet trains run with sub-minute punctuality, and cherry blossoms trigger a national reimagining of beauty each spring. Tokyo is simultaneously the world's largest city and perhaps its most efficiently organised; Kyoto preserves 17 UNESCO World Heritage temples and shrines within a city that functions as normal; Osaka's food culture has elevated eating into a competitive sport; and the Japanese Alps, Hokkaido's wilderness, and the traditional inn (ryokan) culture offer entirely different layers. NTT Docomo, SoftBank, and au deliver some of the world's fastest 4G/5G.
Payment process
After you tap “Buy Now”, a secure checkout opens on breezesim.com to complete your purchase.
More details on data plan
- Data only — no SMS or voice calls included.
- eSIM-compatible device required (dial
*#06#on your smartphone to check). - Your device must be network-unlocked.
- Keep your primary number — no SIM card swapping.
- Get your eSIM instantly and install it in seconds: a one-click install on iOS or a quick QR code scan on Android.
- Ready to roam? Just toggle data roaming on and go!
- Need help? Check out the video guides on the eSIM Finder YouTube channel.
Speeds provided with plan
- Fixed
- High-speed data up to 5G where available. A set amount of GB to use over a selected number of days — not per day.
- Day Plans (Unlimited Essential)
- 1 GB full-speed data every 24 hours. After that, speed is reduced until the next 24-hour reset.
- Premium Unlimited
- 30/60/90 GB full-speed data for 5/10/15 days, then reduced to 720p streaming speed. Best for heavy use and streaming.
Network coverage
NTT Docomo, SoftBank, au (KDDI), Rakuten Mobile
Tip: Japan's 4G/5G coverage is extraordinary — cities, rural areas, mountain towns, and most shinkansen routes have consistent high-speed signal. Very remote backcountry hiking (deep Japanese Alps) may have brief dead zones.
How it works
1
Choose your Japan plan and pay.
2
Scan the QR code or install the eSIM in seconds.
3
Land, connect automatically, and you're online.
Frequently asked questions
The Japan Rail Pass (buy before arriving) covers most shinkansen and JR trains — essential for multi-city travel. IC cards (Suica, Pasmo) handle local metro and buses. Apps like Google Maps work excellently for navigation.
Ramen in a standing bar, omakase sushi at the counter, Osaka takoyaki and okonomiyaki, Kyoto kaiseki multi-course cuisine, Hokkaido seafood, Japanese convenience store onigiri — Japan rewards eating at every price point.
Late March to mid-April in Tokyo and Kyoto; later (mid-April to early May) in Tohoku and Hokkaido. Exact dates vary by 2-3 weeks depending on winter temperatures. Japan Meteorological Corporation forecasts are very accurate.
Less so than its reputation — the weak yen has made Japan outstanding value for many visitors. Mid-range restaurants deliver extraordinary quality for very reasonable prices. Accommodation ranges from budget capsule hotels to extravagant ryokan.
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