Japan Unlimited Data eSIM - 20 Days

Unlimited data in Japan with 19GB hotspot tethering and no daily limits

Stay connected throughout your entire Japan trip with the Japan Unlimited Data eSIM - 20 Days. Powered by Japan's trusted KDDI network, this travel eSIM provides unlimited high-speed internet from arrival to departure, making it ideal for holidays, business trips, remote working, and long-stay travel.

Forget expensive roaming charges, airport SIM card queues, and unreliable public WiFi. With instant QR code activation and unlimited data access, you'll have the connectivity needed for navigation, messaging, social media, travel planning, video streaming, and online bookings wherever your journey takes you.

Whether you're travelling through Tokyo, Osaka, Kyoto, Nara, Hiroshima, Hakone, Nagoya, Sapporo, Fukuoka, Okinawa, or multiple destinations across Japan, you'll benefit from one of the country's leading mobile networks.

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This eSIM combines pure unlimited data, no daily data caps, premium KDDI coverage, and 19GB hotspot tethering, making it one of the most convenient connectivity options for visitors to Japan.

Key Features

Why Travellers Choose This Japan eSIM

1. Unlimited Data for 20 Days

Enjoy unrestricted internet access throughout your trip without worrying about running out of data.

Perfect for:

• Google Maps navigation
• WhatsApp and messaging apps
• Social media
• Travel bookings
• Restaurant reservations
• Video streaming
• Translation apps
• Video calls
• Online shopping

2. No Daily Data Limits

Many travel eSIMs slow down after a daily allowance has been reached.

This plan includes unlimited data with no daily caps, allowing you to use your connection throughout the day without constantly checking usage levels.

3. Connect to the KDDI Local Network

Access one of Japan's most trusted mobile networks with reliable coverage across major cities, tourist attractions, train routes, airports, and regional destinations.

4. Speeds up to 1Gbps

Enjoy premium network performance suitable for:

• HD and 4K streaming
• Uploading photos and videos
• Remote working
• Video conferencing
• Cloud applications
• Mobile hotspot usage

5. 19GB Hotspot Tethering Included

Share your connection with compatible devices when needed.

Ideal for:

• Laptops
• Tablets
• Secondary smartphones
• Family members
• Travel companions

6. Instant QR Code Delivery

No need to visit a store or wait for a SIM card delivery.

Simply:

1. Purchase online
2. Receive your QR code by email
3. Install the eSIM
4. Travel to Japan
5. Connect automatically to the KDDI network

7. Purchase Before Departure

Your activation QR code remains valid for 180 days, allowing you to buy your Japan eSIM well before your travel date.

Supported Country

Japan

Device Compatibility

Compatible with unlocked eSIM-enabled devices, including:

Apple: iPhone 11, iPhone 12 Series, iPhone 13 Series, iPhone 14 Series, iPhone 15 Series, iPhone 16 Series and newer supported models.

Samsung: Galaxy S20 Series, S21 Series, S22 Series, S23 Series, S24 Series, S25 Series, Galaxy Fold and Flip devices with eSIM support.

Google: Pixel 4 and newer supported Pixel devices.

Other Brands: Selected Motorola, Oppo, Sony, Xiaomi, Honor and other eSIM-compatible smartphones.

Please confirm that your device supports eSIM technology and is unlocked before purchasing.

How to Activate

1. Purchase the Japan Unlimited Data eSIM.
2. Receive your QR code by email.
3. Open your device's eSIM settings.
4. Scan the QR code.
5. Install the eSIM profile.
6. Arrive in Japan.
7. Connect to the KDDI network.
8. Start using unlimited data immediately.

Frequently Asked Questions

1. How much data is included?

This eSIM includes unlimited data for the full 20-day validity period.

2. Is there a daily data limit?

No. There are no daily data caps or daily usage restrictions.

3. Which network does the eSIM use?

The eSIM connects to the KDDI mobile network in Japan.

4. Can I use hotspot or tethering?

Yes. The plan includes 19GB of hotspot tethering.

5. Does the eSIM work across Japan?

Yes. Coverage is available throughout Japan where KDDI network service is supported, including major cities, tourist destinations, and transport routes.

6. Does the eSIM include calls or SMS?

No. This is a data-only eSIM and does not include a Japanese phone number, voice calls, or SMS messages.

7. When does the validity period start?

The 20-day validity period begins when the eSIM first connects to a supported network in Japan.

8. How long is the QR code valid?

The activation QR code remains valid for 180 days from the purchase date.