100 GB for 30 days Japan
Simcardo, operated by KarmaPower s.r.o. (Czech Republic), is not a mobile network operator. We resell prepaid eSIM data plans from licensed partner carriers.
📱 Data-Only eSIM
This eSIM provides mobile data only. It does not include a local phone number and does not support voice calls or SMS via GSM networks.
You can still call and message using data apps:
💡 Keep your home SIM for receiving calls/SMS, use this eSIM for data.
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Who Is This Plan For?
The perfect companion for your vacation, ensuring you stay connected for navigation, sharing memories, and staying in touch.
- ✓ Balanced data for typical travel use
- ✓ Easy navigation with maps
- ✓ Share photos easily
- ✓ Stay connected with home
eSIM Validity: 30 Days in destination Japan
This eSIM plan offers 30 days of connectivity in Japan, perfect for monthly stays and work assignments. From the moment you activate, you'll have reliable mobile data for your entire journey.
- • Remote work stays
- • Language courses
- • Extended family visits
A month in Japan allows you to live like a local, establish routines, and deeply explore every corner of this fascinating destination.
100 GB Data Package
With 100 GB of mobile data, this plan is designed for travelers who want a fixed data allowance and clear usage control. Here's what you can do with this data allocation:
This plan includes 100 GB in total. Actual consumption depends on your apps, media quality, background updates and hotspot use.
Network availability
The supplier lists 2G/3G/4G for this plan. This is not a speed guarantee.
Actual network technology, coverage and speed vary by location, partner network, congestion and device compatibility.
Why Choose Our eSIM for Japan?
Digital Delivery After Provisioning
Installation details are sent by email after successful payment and provisioning. Connection timing depends on the selected plan, device and local network in Japan.
Competitive Pricing
Typically more affordable than carrier roaming. Transparent pricing with no hidden costs. Pay only for what you use.
LTE or 5G Where Available
Connect to local networks in Japan with LTE or 5G speeds depending on availability. Stream, browse, and work.
Compatible with iPhone & Android
Works with most eSIM-compatible devices including iPhone 15/16, Samsung, Pixel, and more. Dual SIM support for multiple eSIMs.
Secure & Convenient Payment
Pay in EUR using the payment methods displayed at checkout. Card payments are processed by Stripe; the final amount is shown before confirmation.
Hotspot & Tethering Allowed
Share your connection with other devices. Use your eSIM as a mobile hotspot for laptops, tablets, and more.
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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 plan includes 100 GB for 30 days. Listed coverage: Japan. Network technology shown for the plan is 2G/3G/4G; actual availability and speed vary. More eSIM plans for Japan >>
Frequently Asked Questions – eSIM Japan
When will I receive my eSIM Japan?
You will receive your eSIM Japan 100 GB for 30 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 100 GB for mobile data. This saves you from roaming charges.
When does my 100 GB data plan start?
Your 100 GB for 30 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?
The listed network technology for this Japan plan is 2G/3G/4G. Actual technology, coverage and speed depend on location, partner network, congestion and device compatibility.
Which eSIM data plan should I choose?
For a trip to Japan for 30 days, this 100 GB plan is perfect for very intensive usage including HD streaming and large downloads.
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?
Once you use up 100 GB or the 30 days expires, the eSIM automatically deactivates. You can purchase another eSIM Japan plan whenever needed.
Useful Resources
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Worldwide destinations • Digital delivery after successful payment and provisioning