Japan 5G SIM Card

(169 Reviews)
JAPAN 5G SIM CARD
  • JAPAN 5G SIM CARD
  • Sim card isntallation
  • 5 star service
  • live chat anytime
product review winner
Google 5 star

Up to 50GB
4G/5G speed
Up to 45 days
Data Only
Expiry 31/10/2026
Use in Japan

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Quantity

Description

What’s Included?

  • 5 – 50GB (Unlimited data at 128kbps)
  • No daily limit
  • 4G/5G speed
  • 30 – 45 days service from activation
  • For use in Japan
  • Fits all phones (SIM Size: Nano, Micro, and Standard)
  • Hotspot/Tethering enabled
  • Expire 31 October 2026

Things to know

  • The SIM’s provider is 3HK
  • Simple plug & play activation
  • No ID registration needed
  • No calls or texts included (data-only SIM)
  • Network Operator list included below
  • Compatible with unlocked mobile devices
  • Check data usage online

Important Notes

  • TikTok (iPhone only) & ChatGPT will work by changing APN to “esimnext” this changes the IP to Singapore (Note for Android users: TikTok will NOT work)
  • SIM will NOT work on Modem/Mifi/Pocket Wifi devices
  • Insert the SIM card upon arrival at your destination to avoid accidental activation outside coverage countries
  • Check network coverage in your intended travel areas; Coverage issues are outside our control and we do not offer refunds

Troubleshooting Guide

SIM not working? Don’t stress! Follow this guide to get you up and running.

  1. Disable VPN and any secondary SIM/eSIM lines (for dual SIM phones)
  2. Turn phone off, remove the SIM, insert the SIM back and turn phone on
  3. Confirm mobile data is sourced from our SIM (i.e. the correct SIM profile is selected)
  4. Turn data roaming on (Android: select all network)
  5. Wait up to 10 minutes for activation to occur
  6. APN: mobile.three.com.hk | Username: [blank]  Password: [blank] (Android: select manually)
    • APN to access TikTok (iPhone only) and ChatGPT: esimnext | Username: [blank]  Password: [blank] (Android: select manually)
  7. Turn off automatic network selection and manually choose from the list below.
  8. Restart your phone and/or turn on and off airplane mode
  9. Still not working? Chat with us live, we’re here to help!

We are not affiliated with the network provider. Data allowance may change without notice; check our website for updates.

Network Operator(s) List

  • Japan [KDDI(5G) / Softbank(5G) / Rakuten(5G)]

*Updated product listing on 5 Nov 2025: changed provider from CMHK to 3HK.

Reviews

Customer Reviews

Japan 5G SIM Card
Paul V.
Rating: 5/5
Just turn on and
Just turn on and go
Fri Oct 10 2025 22:38:43 GMT+0000 (Coordinated Universal Time)
Japan 5G eSIM
Jose Lomboy
Rating: 5/5
Holiday in Japan
Its absolutely a good desision that i purchased an esim at travelkon its hassle free as soon i arrived in Japan it activate straight away. I’ll used it again in my next asia adventure. Thanks
Sat Apr 05 2025 09:19:48 GMT+0000 (Coordinated Universal Time)
Japan 5G eSIM
Anonymous
Rating: 5/5
Great service and speed with no connectivity issues (in Tokyo, Nagano and Hakuba)
Thu Feb 01 2024 08:35:18 GMT+0000 (Coordinated Universal Time)
Japan 5G SIM Card
William C.
Rating: 5/5
Working well as soon as I landed. Thanks!
Tue Jun 11 2024 22:38:02 GMT+0000 (Coordinated Universal Time)
Japan 5G SIM Card
Kelvin
Rating: 5/5
Best travel sim and great support if you encounter any issues
Wed Jun 07 2023 04:53:50 GMT+0000 (Coordinated Universal Time)
Japan 5G SIM Card
Danielle
Rating: 5/5
Great value and easy to use when travelling overseas!!!
Fri Jun 30 2023 07:19:46 GMT+0000 (Coordinated Universal Time)
Japan eSIM Unlimited Data | KDDI
Velliamma
Rating: 5/5
Been exceptionally happy with your service and connectivity, will certainly use your services again
Sat Nov 15 2025 02:26:27 GMT+0000 (Coordinated Universal Time)
Japan 5G eSIM
Karen
Rating: 5/5
A great e-sim. Easy to set up and provided good service in Japan. Highly recommend.
Fri Nov 14 2025 00:23:20 GMT+0000 (Coordinated Universal Time)
japan esim docomo iij
Julie B.
Rating: 5/5
Best money i ever spent with the Japanese esim
Best money i ever spent with the Japanese esim from TravelKon
Fri Oct 24 2025 02:51:12 GMT+0000 (Coordinated Universal Time)
Japan 5G eSIM
McG
Rating: 5/5
Would recommend!
Bought three sims for Japan, all good.
Wed Oct 15 2025 12:10:54 GMT+0000 (Coordinated Universal Time)

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