eSIM Japan
Unlimited
for 3 days
More eSIM plans for Japan
Choose a different data amount or validity period
Who Is This Plan For?
Perfect for quick trips, city breaks, and short vacations where you need reliable connectivity without long-term commitment.
- ✓ Short validity matches your trip
- ✓ Quick setup before departure
- ✓ No wasted data or money
- ✓ Activate upon arrival
eSIM Validity: 3 Days in destination Japan
This eSIM plan offers 3 days of connectivity in Japan, perfect for short weekend trips and business visits. From the moment you activate, you'll have reliable mobile data for your entire journey.
- • Quick business meetings
- • Weekend sightseeing
- • Airport transit stops
Perfect for a quick 3-day trip to Japan. Explore the highlights, attend meetings, or enjoy a long weekend getaway.
Unlimited Data Package
With Unlimited of mobile data, this plan is designed for power users who stream, work, and stay connected 24/7. Here's what you can do with this data allocation:
💡 Unlimited Plus is our premium plan with 2GB/day at full speed before fair usage policy kicks in. Perfect for heavy streamers and remote workers.
eSIM Coverage in region Americas
The Americas region covers 35 countries with a population of 1B. Our eSIM provides seamless connectivity across this dynamic region.
With a regional Americas eSIM, you don't need to switch SIM cards when crossing borders. One eSIM covers your entire journey.
About eSIM in destination Japan
Traveling to destination: Japan? Our eSIM ensures you stay connected with reliable mobile data coverage throughout your journey. Here's what you need to know about connectivity in this destination.
Simcardo in language English
English - this language is spoken by approximately 1.5B people worldwide. Our website, checkout, and customer support are fully available in your language for the best possible user experience.
In regions where English is spoken, approximately 55% of users prefer iOS devices, while the rest use Android. Both platforms are fully compatible with our eSIM.
2G/3G/4G Network Speed
This eSIM supports 2G/3G/4G connectivity in Japan, providing you with the fastest available mobile data speeds for all your online activities.
With 2G/3G/4G technology, you can download a full HD movie in minutes, enjoy buffer-free video calls, and navigate with real-time maps.
Network Coverage in destination Japan
Enjoy comprehensive mobile network coverage throughout Japan with our eSIM data plan. We connect you to the best local operators for reliable connectivity.
Our eSIM connects you to the best available networks in Japan, ensuring reliable connectivity in cities, towns, and major tourist areas.
Useful Tips from Our Knowledge Base
Find answers to common questions and learn how to get the most from your eSIM experience.
What is eSIM?
eSIM is a digital version of a SIM card built right into your phone. Here's ever...
How to Switch Between Multiple eSIM Profiles
Learn how to easily switch between multiple eSIM profiles on your device. Follow...
How to Check if Your Phone is Unlocked
Before purchasing an eSIM, make sure your phone isn't carrier-locked. Here's how...
Unable to Activate eSIM Error - Solutions
Facing issues activating your eSIM? This guide covers common errors and provides...
Direct eSIM Installation Without QR Code (iOS 17.4+)
Learn how to install your eSIM directly on iOS 17.4+ without a QR code. Follow o...
How to Manually Select a Network on Your eSIM
Learn how to manually select a network on your eSIM for better connectivity whil...
How to Buy an eSIM from Simcardo
Step-by-step guide to purchasing your travel eSIM in under 2 minutes....
eSIM Troubleshooting Guide
eSIM not working? Most issues have simple solutions. Here's a complete guide to ...
eSIM Not Connecting? Try These Fixes
Quick solutions when your eSIM won't connect to the network....
eSIM Hotspot Not Working - Troubleshooting Guide
Having trouble with your eSIM hotspot? This comprehensive troubleshooting guide ...
Does eSIM Work on Laptops and Tablets?
Discover if eSIM technology is compatible with laptops and tablets, and learn ho...
How to Install eSIM on iPhone
Got your Simcardo eSIM? Here's how to get it running on your iPhone in just a fe...
Fast Global Internet Data Plan Simcardo for Japan
Simcardo eSIM is ideal for popular apps used worldwide. Stay connected to your favorite services while traveling.
...and thousands of other supported apps that will run smoothly on Simcardo global internet data plans.
What is eSIM and how does it work?
eSIM (embedded SIM) is a modern digital SIM card integrated directly into your device. Unlike traditional physical SIM cards, you don't need to wait for physical delivery - simply purchase eSIM online, receive QR code via email, and you're typically connected to the mobile network within minutes.
This eSIM Japan Unlimited plan offers connectivity for 3 days with high-speed data over 2G/3G/4G networks and coverage in Japan.
Frequently Asked Questions – eSIM Japan
When will I receive my eSIM Japan?
You will receive your eSIM Japan Unlimited for 3 days via email shortly after completing payment. The QR code for activation will be in the confirmation email.
Which devices work with eSIM card?
eSIM Japan works with most modern smartphones including iPhone XS and newer (iPhone 15, 16), Samsung Galaxy S20+, Google Pixel 3+ and many others. Check your device's compatibility in settings before purchasing.
Can I use physical SIM and Simcardo eSIM simultaneously?
Yes! Most devices support Dual SIM function, so you can use your home physical SIM card for calls and SMS and eSIM Japan Unlimited for mobile data. This saves you from roaming charges.
When does my Unlimited data plan start?
Your Unlimited for 3 days plan activates automatically upon first connection to mobile network in Japan. We recommend installing the eSIM before departure but activating it after arrival.
How fast is Simcardo eSIM?
This eSIM Japan supports 2G/3G/4G speed, allowing you fast web browsing, HD streaming, video calls and file downloads without waiting. Actual speed depends on network coverage in the area.
Can I share data with other devices?
Yes! The eSIM Japan Unlimited plan supports mobile hotspot, so you can share your mobile connection with laptop, tablet or other devices.
Which eSIM data plan should I choose?
For a trip to Japan for 3 days, this Unlimited plan is an ideal choice because it offers unlimited data without worrying about exceeding the limit.
Can I keep my WhatsApp number?
Yes! You use eSIM Japan only for mobile data. Your WhatsApp, Telegram and other apps remain connected to your original phone number without any changes.
What happens when I use up my data or days of validity?
With the Unlimited plan, you don't need to worry about running out of data during the 3 days validity period. After the validity period expires, the eSIM automatically deactivates. You can purchase a new plan whenever needed.
Useful Resources
Get eSIM for your next trip!
290+ destinations • Fast email delivery • From €2.99