Congratulations on purchasing or considering an eSIM for Japan! As you prepare for your trip, it’s important to be fully informed about how to make the most of your eSIM. In this guide, we’ll go over three key things you need to know before or after buying your eSIM for Japan, ensuring a smooth and uninterrupted experience.

Staying connected is crucial during your travels, and with CDJapan Rental’s eSIM products, you’ll have reliable data coverage across Japan. But before you activate and start using your eSIM, here are three important things to keep in mind.

1. Don’t Delete Your Installed eSIM Before the End of Your Trip

One common mistake eSIM users make is deleting their eSIM profile after installing it, especially if they are troubleshooting or switching between different data plans. It’s crucial to remember that once you delete your eSIM, it cannot be recovered. Unlike a physical SIM card, which you can simply reinsert, an eSIM profile will be completely removed from your device when deleted.

If you accidentally delete your eSIM, you will need to purchase a new one, which could interrupt your connectivity during your trip. For this reason, we strongly advise keeping the eSIM installed on your phone until your travels in Japan are complete.

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

Pro Tip: If you need to switch to another network temporarily (e.g., using WiFi), disable the eSIM instead of deleting it. This allows for easy switching back when needed, without requiring reinstallation.

2. Set Up Your eSIM Only After Arriving in Japan

It’s important to set up your eSIM only after arriving in Japan. Many travelers are tempted to activate their eSIM before the trip to ensure connectivity, but doing so can start the validity countdown earlier than expected.

The moment you activate your eSIM, the data plan’s validity period starts. If activated before your arrival in Japan, you might lose valuable usage time. That’s why we recommend waiting until you arrive in Japan to complete the setup process.

CDJapan Rental’s eSIM products are easy to install and come with clear instructions. You can activate your data plan in minutes by scanning a QR code, giving you immediate access to mobile data as soon as you arrive in Japan.

3. No Refunds After eSIM Activation

One critical thing to know before purchasing or activating an eSIM is that refunds are not available once the eSIM is activated. This is because the eSIM, as a digital product, is considered “used” after activation, even if you have not connected to the internet or if your device turns out to be incompatible.

To avoid any issues, it’s important to check if your phone supports eSIM technology before purchasing. You can find a comprehensive list of compatible devices on our website. Keep in mind that even if your phone is not compatible, or if you experience technical issues, we are unable to provide refunds once the eSIM has been activated.

Pro Tip: Be sure to confirm compatibility before activating the eSIM. If you’re unsure, CDJapan Rental’s eSIM customer support is always available to answer your questions and guide you through the process.

Why Choose CDJapan Rental’s eSIM for Japan?

CDJapan Rental offers an eSIM product that’s perfect for travelers to Japan. Powered by one of Japan’s leading mobile networks, docomo, CDJapan Rental’s eSIM ensures excellent coverage throughout the country, whether you’re in bustling cities or more remote regions.

ProviderMain NetworkPrice RangeSpeed LimitDelivery Method/TimeWhere to Buy
CDJapan RentalNTT Docomo30GB (8 days) ¥3200
50GB (16 days) ¥3900
50GB (31 days) ¥4900
135GB (90 days) ¥10800
【Unlimited】
5 days/¥2800,  15 days/¥6300, 31 days/¥7900
Communication speed will be reduced to 200kbps when usage exceeds the limit.
For unlimited plan, if the data capacity exceeds 3 GB in one day, the speed will be limited, but the next day the limitation will be lifted and high speed communication will be available.
QR code displayed on MyPageVisit Website

CDJapan Rental’s eSIM plans are designed to be flexible and affordable, with a range of data packages tailored to suit different travel needs. You can conveniently purchase and activate your eSIM from anywhere in the world, so you’re ready to connect as soon as you land in Japan.

Conclusion

Purchasing an eSIM for Japan is a convenient, hassle-free way to stay connected throughout your trip. But to make the most of it, remember these important tips: don’t delete your eSIM until your trip is over, activate it only after arriving in Japan, and understand that refunds are not possible once the eSIM has been activated.

CDJapan Rental’s eSIM products offer excellent coverage, affordable plans, and an easy setup process. With eSIM, you can enjoy a smooth and seamless travel experience in Japan. Get your eSIM today and ensure uninterrupted connectivity during your stay!

eSIM in Japan: A Complete Guide to eSIMs for an Enhanced Experience

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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