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Japan 12 GB

IIJ

BEST QUALITY

5G

30 days

12 GB

Attention
  • Android phone users must manually adjust APN settings to use this eSIM
  • Package activates upon eSIM installation.

Earn $1.00 rewards cashback in your MobiPay wallet with this purchase

Details

Data

Calls

SMS

Network

5G/4G/LTE

Activation Policy

Package activates upon eSIM installation.

IP Routing

Japan

Hotspot

Available

Speed

Unrestricted

Top-up

Not Available

Usage Tracking

Realtime, in-app

  • This is a data-only eSIM. It does not come with a phone number.
  • Simply scan the QR code to download and use the eSIM. No other activation or registration steps needed.
  • One-time prepaid package. No auto-renewals, no contracts.
  • Full data speeds - no daily limits, no throttling. Mobile hotspot is supported.
  • 5G availability depends on network coverage, regional device specifications, and phone settings. Where 5G is not available the eSIM will provide high quality 4G LTE network connection subject to network availability.
  • Usable only with eSIM compatible phones and tablets which are not carrier locked. If in doubt, please check the FAQ section.
  • The eSIM will expire if not activated within 2 months of purchase.

4.8/5

App Store

4.9/5

Google Play

Excellent

Trustpilot

Destinations & networks

⚠️ The operator can change the networks the eSIM connects to without notice.

🇯🇵

Japan

NTT docomo5G

Help Center

The sure way you can verify if your phone is compatible: iPhone: Go Settings -> Cellular (or Mobile Data). If you see ‘Add Cellular Plan’ or ‘Add Mobile Plan’, the phone supports eSIM Samsung: Go Settings -> Connections -> SIM Card Manager. If you see ‘Add Mobile Plan’, the phone supports eSIM Google Pixel: Go Settings -> Networks & Internet -> SIMs -> ‘+Add more’. If you are using Pixel 4/4a or a later model, it will be there. IMPORTANT! Some models have exceptions depending on models and markets. Operator locked devices: If your device is locked to a specific carrier due to a contract, it needs to be unlocked first to be able to use the eSIMs sold on our platform.

Yes! With dual-SIM functionality you can have both your physical SIM and eSIM active at the same time.

Yes, your phone can store many eSIM profiles at once. You can choose which one to use at in your phone settings.

Yes! Mobile hotspot featured is enabled in all of our products, except if explicitly mentioned in the product details.

Reviews

5.0

One of the most beautiful applications.

H

Hgtpg

App Store

How it works

  1. 1

    Checkout using secure payment methods

    Get your eSIM by email within seconds.

  2. 2

    Install eSIM

    Instantly get your eSIM and configure it in your eSIM compatible device

  3. 3

    Enjoy high speed connectivity

    Once eSIM is configured, you can enjoy high speed roaming data connectivity

Why MobiMatter is best for Japan eSIMs?

Instant Activation

Activate your Japan eSIM in seconds. Install it in one tap from the MobiMatter app, or scan the QR code, and stay connected from the moment you land.

Flexible Plans, Great Value

Choose affordable short or long-term data packages for Japan - perfect for business trips, vacations, or for digital nomads. Most packages provide the option to top-up also.

How MobiMatter compares with other eSIM brands

24/7 Customer Support

Stay connected with peace of mind, backed by our round-the-clock customer service team. Reach out to them via the troubleshoot link.

MobiMatter Rewards

Sign in and pick one reward at checkout on every order.

  • 10%

    cashback on every order

  • 3%

    instant discount

  • up to

    $5

    for you and every friend you refer

Referral rewards apply to your friend’s first purchase.

Explore MobiMatter Rewards

Hear from our customers

  • 5.0

    Excellent service and amazing customer support! I’m really impressed with how helpful, responsive, and professional the support team is. They answered all my questions clearly and patiently, and I always received a quick response whenever I needed assistance. It’s rare to find such reliable and caring customer service. I feel much more confident using the service knowing that help is available whenever I need it. Highly recommended! 😊

    M

    Marganahit

    App Store

  • 5.0

    Very easy comparisons, straight forward, no hassle No fuss just easy esim comparisons and purchases

    A

    Anoixi

    App Store

  • 5.0

    One of the best and most valuable service providers at a reasonable price. Highly recommended! As a seafarer, this service is extremely useful. I have never seen any other eSIM or physical SIM service provider offering such a wide variety of packages. Thank you for your excellent service!

    H

    Hemantha Pradeep

    Play Store

  • 5.0

    very responsive and patient customer care. Much appreciated

    I

    Inam Abul

    Play Store

  • 5.0

    The best eSim app in the world. The support team is legendary.

    B

    Barat Baghirli

    Play Store

  • 4.0

    We could not have crossed the Balkans for 3 weeks without Mobi !!!!

    K

    Keith Van der Spuy

    Play Store

  • 5.0

    I have been using MobiMatter for a few years both for travel and to supplement my regular cell plan which has limited data. The service has always been solid and the prices excellent. The installation instructions are easy to follow. On the few occasions that I asked for tech support (mostly for my own errors) the response time has been amazing and the support courteous and effective.

    N

    Noahsark76

    App Store

  • 5.0

    very versatile packs , plans i can choose as per regional or international. Support team is very quick in response and very helpful. i have been using the app for few years already , very well sorted app.

    J

    Jashan sohal

    Play Store

  • 5.0

    I recently used their service and I’m extremely satisfied. The package lasted longer than expected, and I was able to make great use of it across the Asian region. They also have the fastest support team — very responsive and incredibly detailed in the information they provide.

    D

    Diana_Diana_$

    App Store

  • 5.0

    This was my first e-SIM experience, and believe me, the signal is much better than the lines in Turkey. I traveled to four different cities in Indonesia and got 5G in all of them. 5 GB of internet lasted me three weeks. Thank you.

    M

    M Bekir Bıçak

    Play Store

Check data onyour Home Screen.

Add the MobiMatter widget to see data and days left at a glance, then top up in the app before you run out.

Download on the App StoreGet it on Google Play

Illustrative usage data. Top-up available on supported eSIMs.

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The 20 Best Places to See Autumn Foliage in October 2026

Why October 2026 is the Best Month to Chase Autumn Colour October is the only month in which the northern hemisphere's three great foliage regions overlap. Japan's mountain interior, the Alpine and Carpathian belt across central Europe, and the North American maple corridor all carry colour somewhere within the same thirty-one days. No other month gives a traveller that choice, and the practical consequence is that a single trip can be planned around colour rather than around a holiday calendar...

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Sep 8, 2026 — 17 min read

Asian Games 2026 Nagoya: Travel Guide & Venue Tips

The 20th Asian Games (Aichi-Nagoya 2026) runs September 19 to October 4, 2026, with select events starting as early as September 10, across roughly 53 venues in Aichi Prefecture and Nagoya, Japan. Expect 43 sports, 469 gold medals, and athletes from 46 nations. The fastest way in is the Tokaido Shinkansen: about 94 minutes from Tokyo and 47 minutes from Shin-Osaka on the Nozomi service. Between sessions, Nagoya Castle, the Sakae shopping district, and the city's food scene fill the gaps easily....

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Japan 12 GB

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