Planning a trip to Japan? If you want to explore this magical country and immerse yourself in the local culture, don’t forget one crucial thing – ensuring seamless communication! In this digital age, eSIM technology has opened up new possibilities for travelers in Japan. This article will take you deep into the world of eSIM providers in Japan and the enticing packages they offer, making your journey more vibrant. Join us as we delve into the details!

Unlocking Japan: Why eSIM is Essential for Traveling

What is eSIM?

eSIMs

eSIM eliminates the hassle of changing SIM cards. It’s like the magical key to your phone, allowing you to effortlessly unlock a new realm of communication. When switching carriers, traditional SIM cards require physically changing the card, while eSIM acts as a convenient expressway for your phone. Simply reconnect to the new carrier network, download the new eSIM within seconds, complete the switch – no physical cards required. It’s incredibly convenient!

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This isn’t technology reserved for tech enthusiasts; for every travel enthusiast, eSIM is an irreplaceable companion. Imagine arriving at a Japanese airport without worrying about finding a pin for your SIM card. With a simple setup, your phone can seamlessly navigate the Japanese network. Plus, you don’t need to remove your home country’s physical SIM card – great for handling international work calls. eSIM makes your travels more comfortable and liberating!

Recommended eSIMs in Japan

Here are some well-known eSIM card providers in Japan that we’ve summarized. If you’re looking to purchase an eSIM, compare them and choose the one that suits your needs.

ProviderMain NetworkPrice RangeSpeed LimitDelivery Method/TimeWhere to Buy
CDJapan RentalNTT Docomo30GB (8 days) ¥3000
50GB (16 days) ¥3700
50GB (31 days) ¥4700
Communication speed will be reduced to 200kbps when usage exceeds the limit.QR code displayed on MyPageVisit Website
eSIM JapanKDDI/AUUnlimited data plans range from ¥550 to ¥3300Wireless data plans will be throttled to 384kbps after using 0.5GB/1GB/2GB daily.QR code sent via emailVisit Website
MobalNTT Docomo【Short-term Plans】
Duration: 8/16/31 days
Data: 1/3/10/30/50GB
Price: ¥1920 to ¥4900
【Long-term Plans】
Activation Fee: ¥2970
Monthly Fee: 1GB/¥1650, 5GB/¥3190, 10GB/¥3630, 30GB/¥4378
Long-term plans support voice calls.
Communication speed will be reduced to 200kbps when usage exceeds the limit.Short-term plans: QR code sent via email
Long-term plans: Mailed or activated in-store
Visit Website
Japan Wireless——5GB (30 days) approx. ¥2000
10GB (30 days) approx. ¥3500
30GB (30 days) approx. ¥6000
eSIM will be disabled if data usage exceeds the limit.QR code displayed on MyPageVisit Website
Sakura MobileNTT Docomo10GB (30 days) ¥5850
30GB (30 days) ¥8500
50GB (30 days) ¥13150
(Also available: 10 days/20 days/60 days plans)
Data can be added anytime.QR code sent via emailVisit Website
Nippon SIM for JapanNTT Docomo【Unlimited Plan】
Duration: 8/15 days
Price: ¥2980 / ¥4980
【Data Plans】
Validity: 180 days
Data and Price: 15GB/¥3280, 30GB/¥4980, 50GB/¥7980
Throttled to 128kbps after using 2GB daily for unlimited plans.
Communication speed will be reduced to 128kbps when usage exceeds the limit.
Instructions and activation QR code sent by mailVisit Website
b-mobile VISITOR SIMNTT Docomo5GB (10 days) ¥1980
7GB (21 days) ¥2970
eSIM will be disabled if data usage exceeds the limit. Additional data can be purchased to continue usage.Email sent with eSIM activation pageVisit Website

Is it better to choose eSIM or stick with physical SIM cards in Japan?

eSIM and physical SIM cards each have their advantages; it depends on whether you prefer the futuristic feel of electronic technology or the tangible touch of traditional cards.

eSIM is like a virtual SIM card that you can directly download and install on your phone, eliminating the hassle of changing cards. It’s especially suitable for frequent travelers or those who need to switch carriers on the go. Most phones launched after 2019 support eSIM.

If you enjoy experiencing local communication services in unfamiliar places, a physical SIM card might be more suitable. There’s a certain old-world romance to changing cards, and some regions may offer more local package options. After all, sometimes the action of inserting a card can be more fun than swiping a phone screen!

In conclusion, whether to choose the cutting-edge eSIM or the traditional physical SIM card depends on whether you seek the novelty of technology or prefer to retain some traditional charm!

What to be aware of when using eSIM?

With technology continuously advancing, eSIM (embedded SIM card) has become a revolutionary communication technology widely used in smartphones, tablets, and other smart devices. However, while enjoying the convenience of eSIM, there are some usage details to keep in mind. Here are three crucial issues to be aware of when using eSIM:

Can eSIM be deleted and reinstalled after activation?

One characteristic of eSIM is that once activated, it cannot be casually deleted or reinstalled.

Unlike traditional physical SIM cards, eSIM is directly embedded into the device, and its information exists in digital form. This means that once you activate eSIM on a device, you cannot delete it and reinstall the same eSIM. Therefore, before activating eSIM, carefully ensure that the selected carrier and plan meet your needs to avoid inconvenience due to dissatisfaction.

Can eSIM be installed repeatedly on different devices?

In general, it’s not possible.

Typically, eSIM is bound to a specific device and cannot be easily inserted and removed like a traditional SIM card. Once you activate eSIM on a device, it becomes bound to that device and cannot be casually transferred to other devices. This restriction is in place for security and authorization reasons to ensure that eSIM is only used on authorized devices, enhancing communication security.

Do I need to activate eSIM within a limited time after purchase?

Unlike traditional physical SIM cards, some eSIM plans may set a specific validity period, requiring users to complete the activation process within a certain time after purchase. This is due to the virtual nature of eSIM, and carriers may set this limit to manage resources and ensure users activate services promptly.

Therefore, when choosing eSIM, it’s recommended to promptly activate it after purchase to ensure you enjoy the purchased communication services within the validity period. Before buying eSIM, carefully read the terms and conditions of the carrier to understand if there’s a time limit and plan your activation steps accordingly to avoid missing the usage deadline. This will help ensure a smooth eSIM activation, allowing you to fully enjoy its convenience and efficiency.

 

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CDJapan Rental has a great deal on pocket wifi, with a range of flexible plans starting at ¥187/day.
Japan Pocket Wifi Rental
UNLIMTED DATA SIM CARD
Japan Travel Prepaid SIM card