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Best japan Connectivity Solutions

Discover 34 Wi-Fi & SIM cards in Japan on Trip.com, updated January 27, 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 1.08. Choose the option that suits your plan.

With 45.11k verified reviews, Wi-Fi & SIM cards Japan boast an average rating of 4.6.

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 13.056k reviews and a 4.4 rating.

The next available day tour departs on January 28, 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 perfect for visiting Japan! Choose from Wi-Fi & SIM cards available day tours, including seasonal hits 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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34 results for Japan Wi-Fi & SIM cards

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Reviews/Trip Moments

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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: Japan | Docomo 4G eSIM | Day Pass | High-speed Network | No need to pick up | Natural Day | QR code
Guest User2025-11-05
The internet is fast and can use Thai apps normally except for receiving OTP. Overall, it's okay. I've used it for 7 days and still have internet left.
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Reviews: Japan 5G eSIM | Three Network Coverage | Daily/Data Package | 1-30 Days | Calendar Day Billing | QR Code
Guest User2026-01-22
Can not use google gemini,having bad connection experience in crowded area and sometimes event in only yoshinoya restaurant,while my wife's esim always have good connection. We use same phone. My wife's can use Gemini. It said gemini not available.
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Reviews: Japan SoftBank 4G/5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | 1-180 Days | QR Code
Guest User2025-12-30
The network card provided by this adapter in Osaka demonstrated a very stable and fast signal, and was easy to install. It is also very reasonably priced.
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Reviews: Japan 5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | 1-30 Days | QR Code
Guest User2025-11-29
Easy to install. Convenient to use. Good signal. Works well even in many places. There is a link to check how much you have used. Recommended. No need to put in a SIM card, it's a hassle.
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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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