Top picks for Japan SIM card

Discover 38 SIM card in Japan on Trip.com, updated January 22, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From TRY 11.40 per person, with an average total of TRY 63.39. Choose the option that suits your plan.

With 20.931k verified reviews, SIM card Japan boast an average rating of 4.6.

This week's most popular SIM card: "Japan SoftBank 4G/5G eSIM | Day Pass | 1-30 Days | 24-Hour Billing | QR Code", with 5.247k reviews and a 4.7 rating.

The next available day tour departs on January 23, 2026. Book now to secure your spot!

Japan SIM card usually take about 1 hours — perfect for a relaxed, immersive experience!

January is the perfect time to visit Japan! Choose from SIM card available day tours, including seasonal favorites like Japan SoftBank 4G/5G eSIM | Day Pass | 1-30 Days | 24-Hour Billing | 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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Reviews/Trip Moments

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.
Reviews: Japan SoftBank 4G/5G eSIM | Day Pass | 1-30 Days | 24-Hour Billing | 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.
Reviews: Japan | 5G eSIM | Day Pass/Total Package | 24H 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.
Reviews: Global (66 countries) | 5G/4G eSIM | Total Package | 24H Billing | 1-7 days | QR code
Guest User2026-01-22
It was strong and lasted for 2 days (3GB), we have been using it consistently and it was very efficient👍
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
Reviews: Southeast Asia (7 countries) | 5G/4G eSIM | Day Pass/Total Package | 24H 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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