5G eSIM Japan | Softbank/Docomo

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(29K+ reviews)
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  • Receive your eSIM immediately
  • 24/7 customer service support
  • Fully refundable before use
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What to Expect with eSIM Japan

What is an eSIM for Japan?

An eSIM Japan is a digital SIM card that lets you add a mobile data plan to your phone without needing a physical SIM. With a Japan eSIM, you can stay connected as you travel across cities like Tokyo, Osaka and Kyoto — no need to visit a SIM card store or worry about roaming fees.

How to Get Your Japan eSIM?

  1. Download the Klook app
  2. Check device compatibility
  3. Select your destination and data plan
  4. Activate instantly via app or QR code
  5. Turn on data roaming to connect to the local network

Why Choose Klook’s eSIM for Japan?

  • High-Speed Data: Reliable connectivity through top local networks like DOCOMO.
  • Instant Setup: Activate in 5 minutes — no physical SIM required.
  • Affordable Plans: Transparent pricing with no hidden expensive roaming fees.
  • Wide Compatibility: Works with 100+ eSIM-enabled devices.
  • Hotspot Sharing: You can easily share data with other devices.

Things to Know About Japan eSIMs

1. How does eSIM Japan work?

Japan eSIM works by digitally adding a mobile plan to your device. Simply purchase a prepaid Japan eSIM, install it through the Klook app or a QR code, and get connected as soon as you arrive. Hotspot and tethering are supported and you can easily add additional data linked to your main eSIM if you run out of data.

2. Is eSIM worth it for Japan?

Definitely! An eSIM is the easiest way to stay connected while traveling in Japan — no need to swap physical SIM cards. With Klook’s Japan eSIM, avoid expensive roaming fees while enjoying fast and reliable coverage across Tokyo, Osaka and Kyoto and beyond from DOCOMO for a seamless travel experience.

3. Can you keep your primary SIM number with a Japan eSIM?

Yes. Thanks to the dual SIM functionality of an eSIM, you can keep your local phone number. Your local SIM card stays in your phone, and you add the eSIM Japan plan for internet access. This lets you enjoy data in Japan without having to swap out your physical SIM card.

How to use

best Klook Japan eSIM
Activate in Klook App (Update Klook APP to the latest version)
Japan eSIM - installation
Klook App: Account -Bookings-Click activate (You can also find the eSIM QR code in the voucher, Settings -Cellula- SIMs - Tap Add eSIM - scan QR code )
Japan eSIM - installation
Read the reminder and start installing the eSIM (The time and data will not start counting.)
Japan eSIM - installation
Suggest install under wifi connection and please do not leave the page (might take some time)
Japan eSIM - installation
Please select "Primary" if you're not in your destination.
eSIM Japan - installation
Turn off cellular switching and the eSIM is installed! (If you failed, can try again.)
eSIM Japan-activation
After you arrive the destination: Turn on the eSIM line and turn on the data roaming.
eSIM Japan-activation
After you arrive the destination: Switch the cellular data to the eSIM card.
eSIM Japan
Check the eSIM status in your bookings in Klook APP (Reach out to us on the top right of the booking if you have any issues!)

Additional information

  • For connection issues, please contact merchant via the following steps: Account > Bookings > eSIM booking > Top right contact merchant

Terms & Conditions

Cancellation policy

  • Enjoy free cancellation within 180 days from booking confirmation date provided that data usage has not commenced