Japan SIM Card | Softbank

(210 Reviews)
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Up to 50GB
Data Only
Service end 15/09/25
4G/LTE Speed
Manual APN input required
Use in Japan

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This product is currently out of stock and unavailable.

Description

What’s Included?

  • 15 – 50GB
  • No daily limit
  • 4G/LTE speed
  • You can use the data up until the hard expiry date – see below
  • For use in Japan
  • Fits all phones (SIM Size: Nano, Micro, and Standard)
  • Comes with a SIM tray opener
  • Hotspot/Tethering enabled
  • Service ends on 15 September 2025 

Things to know

  • The SIM’s provider is Softbank
  • Simple plug & play activation
  • No ID registration needed
  • No calls or texts included (data-only SIM)
  • Coverage on the SoftBank Network
  • Compatible with unlocked mobile devices
  • SIM will NOT work on Modem/Mifi/Pocket Wifi devices
  • Check data usage online

Important Notes

  • Manual APN input is required (if not automatic) – read troubleshooting guide
  • Please check the use by date, no refunds will be provided for incorrect purchase
  • For example you can activate/use the Japan SIM anytime and use the data until it finished or until the “use by” date.
  • Android phones including Google Pixel, Oppo and Asus phones – read the troubleshooting guide no 5
  • 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. Access Point Names (APN) details may need to be manually entered:
    APN: plus.4g
    Username: plus
    Password: 4g
  5. For Android phones including Google Pixel, Oppo and Asus phones, under the APN settings above, enter these details:
    Authentication type: chap
    APN Type: default,ia,mms,supl,hipri (copy exactly)
    Disallow 2G and restart your phone
  6. Set network operator as automatic, adjust to SoftBank if it isn’t
  7. Restart your phone and/or turn on and off airplane mode
  8. 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 [Softbank]

 

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Reviews

Customer Reviews

Japan eSIM Unlimited Data | KDDI
Brooke
Rating: 5/5
Excellent service. Hasn’t missed a beat, even in outside city areas. Highly recommend.
Sat Mar 21 2026 00:57:11 GMT+0000 (Coordinated Universal Time)
Japan eSIM Unlimited Data | KDDI
Richard
Rating: 5/5
I’m very impressed. I initially bought another eSIM which I have been for the past three years for my overseas trips. I was happy with it and shared it with friends. But this year after using 1.5gb of data on the first day the high speed would drop down to 1mps which is useless. It was stated as an unlimited eSIM. I was in Japan and it was using China’s mobile network! I was very disappointed. But luckily a fellow traveller was using travelkon and showed me that it was truly unlimited with high speeds. I was happy to pay for another eSIM for the convenience and zero hassles. It was almost half the price for what I paid for the previous one. I will definitely be using travelkon again on my future trips.
Tue Mar 17 2026 13:18:27 GMT+0000 (Coordinated Universal Time)
Japan 5G eSIM
Michelle Villaruz
Rating: 5/5
It was easy to install and have very friendly and prompt response to my queries. Highly recommended.
Fri Dec 26 2025 13:34:04 GMT+0000 (Coordinated Universal Time)
Japan 5G SIM Card
Sarah Macmillan
Rating: 5/5
Has worked well with no issues.
Sat Dec 20 2025 11:53:11 GMT+0000 (Coordinated Universal Time)
Japan eSIM Unlimited Data | KDDI
Justin
Rating: 5/5
Great service with no issues or black spots at all within Japan.
Wed Nov 26 2025 00:22:47 GMT+0000 (Coordinated Universal Time)
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 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 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
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)
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