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Top picks for Japan Wi-Fi & SIM cards

Discover 35 Wi-Fi & SIM cards in Japan on Trip.com, updated January 29, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From EUR 0.10 per person, with an average total of EUR 2.13. Choose the option that suits your plan.

With 48.498k verified reviews, Wi-Fi & SIM cards Japan boast an average rating of 4.5.

This week's most popular Wi-Fi & SIM cards: "Global (66 countries) | 4G/5G eSIM | Total Package | 1-7 days | 24H Billing | Real-Name Auth Required (Hong Kong & Taiwan) | QR code", with 13.936k reviews and a 4.4 rating.

The next available day tour departs on January 30, 2026. Book now to secure your spot!

Japan Wi-Fi & SIM cards usually take about 1 hours — perfect for a relaxed, immersive experience!

January is the perfect time to visit Japan! Choose from Wi-Fi & SIM cards available day tours, including seasonal favorites like Global (66 countries) | 4G/5G eSIM | Total Package | 1-7 days | 24H Billing | Real-Name Auth Required (Hong Kong & Taiwan) | QR code.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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35 results for Japan Wi-Fi & SIM cards

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Reviews/Trip Moments

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Reviews: Asia 10 Regions & Oceania 4G/5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | 1-30 Days | QR Code
Guest User2025-07-27
I went to Vietnam → Cambodia on a woman's solo trip and stayed in Cambodia for 9 nights (Phnom Penh 2 nights, Krache 1 night, Siem Reap 6 nights) ♪ Thanks to this eSIM, it was a fulfilling trip ^ ^ Use again Shu!
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Reviews: Global (100 countries) 4G/5G eSIM | DayPass/Total | 500MB/day - 30GB Total Data | 1-30 days | 24-hour billing | QR code
Guest User2026-01-25
Excellent SIM card. We used it in the UAE and Oman. We got the 1GB per day plan—it was always enough for both internet and navigation. Search doesn't work well in tethering mode, but social media works fine. It's very easy to set up, the signal is good, and we're completely satisfied with the service.
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Reviews: Asia 9 Destinations 5G eSIM | Japan, Thailand, Vietnam, Indonesia, Korea & More | 1–30 Days | Instant QR
Guest User2026-01-11
I used this in KL, Bangkok and Shanghai. Overall the signal was ok. Sometimes we do get a drop out but it’s not often. We managed to use all social media platforms with this eSIM at Shanghai. Only thing is if you want to hail a ride you’ll need a number for it in china.
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Reviews: Japan 4G/5G eSIM 1-30 days High-speed data Daily package/Data package Optional days (calendar day) QR code
Guest User2026-01-22
I used this sim in Okinawa, don't know if it's the same across all Japan but in some areas, i will lose the connection. Maybe Okinawa is just rural, but just a few minutes so it's still fine.
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Reviews: Asia (12 countries) | 4G/5G eSIM | Total Package | 365-day validity | 24H Billing | Real-Name Verification Required for Hong Kong & Taiwan | QR code
Guest User2026-01-21
It's a good eSIM, everything worked perfectly in Thailand and Hong Kong, and I haven't used even half of it in 16 days of use.
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Reviews: Japan SoftBank 4G/5G native line eSIM 1-30 days One-click installation QR code
Guest User2025-12-21
only ran out of connectivity once when my kid hrabbed my phone and opened instagram, consuming my quota. orher than that perfect

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