Top picks for Sayama Wi-Fi & SIM cards

Discover 34 Wi-Fi & SIM cards in Sayama on Trip.com, updated February 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 2.25. Choose the option that suits your plan.

With 23.983k verified reviews, Wi-Fi & SIM cards Sayama boast an average rating of 4.6.

This week's most popular Wi-Fi & SIM cards: "Japan SoftBank 4G/5G eSIM | TikTok & ChatGPT Available | 24-Hour Billing | 1-30 Days | QR Code", with 6.495k reviews and a 4.7 rating.

The next available day tour departs on February 28, 2026. Book now to secure your spot!

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

February is the perfect time to visit Sayama! Choose from Wi-Fi & SIM cards available day tours, including seasonal favorites like Japan SoftBank 4G/5G eSIM | TikTok & ChatGPT Available | 24-Hour Billing | 1-30 Days | 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 Sayama Wi-Fi & SIM cards

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Reviews/Trip Moments

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: Japan SoftBank 4G/5G eSIM | TikTok & ChatGPT Available | 24-Hour Billing | 1-30 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.
Reviews: Japan 5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | 1-30 Days | QR Code
Guest User2026-02-20
The signal is unstable. After watching videos for a while each day, the signal becomes extremely slow, and even mobile payment functions become unusable.
Reviews: Japan au KDDI 5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 3-31 Days | Calendar-Day Billing | QR code
Guest User2026-02-24
Even with a crowd of 50,000 at Tokyo Dome, the data connection was flawless. With the same phone, SKT data connection was absolutely stale at KSPO Dome in Korea, but I was surprised by the excellent data connection at the even more crowded Tokyo Dome. All three of us used this eSIM, and we were all extremely satisfied with it throughout our week-long trip to Tokyo. We even played games on the crowded subway without any issues, and since it was faster than hotel Wi-Fi, we turned off Wi-Fi and just used data. Everyone, don't worry about how much eSIM storage you need; just pay a few thousand won more and enjoy unlimited data. I highly recommend it.
Reviews: Asia 11 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!
Reviews: Japan DOCOMO(IIJmio) 4G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | Calendar-Day Billing | 1-30 Days | QR Code
Guest User2026-02-22
Since it's Tokyo, i expected there would be no problem at all with signal. Also visited Niigata for a day, and no problem either. I choose this docomo (actually iijmio) altho 4g, as a "just in case" backup of a different service provider, because i chose softbank 5g for my husband. Rates here in Trip are cheaper than in other platforms, so i always buy here