Question 1

Will an eSIM for Japan work on my phone or tablet?

Accepted Answer

Yes! Our eSIMs for Japan are compatible with most modern smartphones and tablets that support eSIM technology. This includes iPhone XS and newer models, Samsung Galaxy S20 and newer, Google Pixel 3 and newer, and many other devices. You can check your device compatibility in your phone's settings under "Cellular" or "Mobile Data" to see if eSIM is supported. For a complete list of compatible devices, visit our device compatibility page.

Question 2

Can I buy an eSIM in Japan?

Accepted Answer

You can purchase your eSIM for Japan online from anywhere in the world, but you don't need to wait until you arrive. We recommend buying your eSIM before traveling to Japan so you can activate it immediately upon arrival. The eSIM will be delivered to your email within minutes of purchase, and you can activate it when you're ready to use it.

Question 3

How much is an eSIM plan for Japan?

Accepted Answer

Our eSIM plans for Japan start from as low as $2.49 and vary based on data amount and validity period. We offer a range of options from 1GB plans for short trips to unlimited data plans for extended stays. All plans include 5G/4G speeds, no roaming fees, and instant activation. Check our current pricing on the Japan page for the most up-to-date rates.

Question 4

What are the activation times for eSIMs in Japan?

Accepted Answer

Our eSIMs for Japan activate instantly once you scan the QR code. The entire setup process takes less than 2 minutes. You'll receive your eSIM via email within 2 minutes of purchase, and once you scan the QR code in your phone's settings, you'll be connected immediately. No waiting, no delays - just instant connectivity.

Question 5

Can I use 5G with an eSIM in Japan?

Accepted Answer

Yes! All our eSIM plans for Japan support 5G networks where available, as well as 4G LTE for comprehensive coverage. You'll automatically connect to the fastest available network in your area. 5G coverage in Japan is excellent in major cities and continues to expand to more areas.

Question 6

What is the difference between an eSIM and a physical SIM in Japan?

Accepted Answer

An eSIM is a digital SIM card that's built into your device, while a physical SIM is a removable plastic card. With an eSIM for Japan, you get instant activation, no need to visit a store, no risk of losing the SIM card, and the ability to store multiple eSIMs on one device. Physical SIMs require you to physically insert a card and often involve visiting a local store or waiting for delivery.

Question 7

Is it safe to use Roamei eSIMs in Japan?

Accepted Answer

Absolutely! Roamei uses encryption to protect your data and personal information. Our eSIMs are provided by trusted telecom partners in Japan, and we're fully compliant with international data protection standards. Your connection is secure, private, and reliable throughout your stay in Japan.

Question 8

Why is my eSIM not working?

Accepted Answer

If your eSIM for Japan isn't working, try these steps: 1) Make sure you've activated it by scanning the QR code in your phone's settings, 2) Check that your device supports eSIM technology, 3) Ensure you're in an area with network coverage in Japan, 4) Restart your device, 5) Check that your eSIM plan hasn't expired. If issues persist, contact our 24/7 support team for immediate assistance.

Question 9

Will my eSIM work on the Shinkansen (bullet train)?

Accepted Answer

Yes! Our eSIMs work throughout Japan, including on the Shinkansen and other trains. You'll have continuous coverage as you travel between cities, making it easy to stay connected during your journey.

Question 10

Do I need to register my eSIM with Japanese authorities?

Accepted Answer

No registration is required. Our eSIMs are pre-registered and ready to use immediately upon activation. Simply scan the QR code and you're connected - no paperwork or government registration needed.

Why choose eSIM?

Instant Activation

5G Speeds

Secure & Reliable

No Hidden Fees

eSIM for Japan

Choose your data plan

Flexible activation

How to get an eSIM for Japan

Pick Your Perfect Data Plan

Instant Setup in 60 Seconds

Stay Connected Worldwide

Why choose Roamei eSIM for Japan?

24/7 Customer Support

Instant Activation

Keep Your Primary SIM

No Roaming Charges

Secure & Private

Global Coverage

Frequently asked questions about eSIMs for Japan