Japan 5G eSIM
Up to 100GB
4G/5G speed
Up to 90 Days
Data Only
Use within 180 days
Use in Japan
Japan 5G eSIM
Supported Countries
- 🇯🇵 Japan
Description
What’s Included?
- 1 – 100GB (Unlimited data at 128kbps)
- No daily limit
- 4G/5G speed
- 7 – 100 days of service from activation
- For use in Japan
- Hotspot/Tethering enabled
- How do eSIMs work? Check our eSIM setup guide
- Purchase your eSIM plan, QR code will be sent instantly via email
- Scan the QR code to add the eSIM to your eSIM compatible phone
- Turn on data roaming to use the eSIM
- eSIM must connect to supported network and be used within 180 days of purchase
Thing’s to know
- The eSIM’s provider is 3HK
- Plan starts when eSIM connects to supported network
- No ID registration needed
- No calls or texts included (data-only eSIM)
- Coverage on KDDI / Softbank
- Compatible with unlocked eSIM-enabled phones (with EID numbers)
- Check data usage online
Important Notes
- TikTok & ChatGPT will work by changing APN to “esimnext” this changes the IP to Singapore (Android users: TikTok will only be accessible via web browser – the app will NOT work)
- Adding the eSIM outside the coverage country may result in a “failed activation,” which is normal. The eSIM will activate once you reach your destination.
- Turn off the eSIM line and do not turn on data roaming until you reach your destination.
- Haven’t received your eSIM? Check your junk mail or reach out to us
- Check network coverage in your intended travel areas; Coverage issues are outside our control and we do not offer refunds
Troubleshooting Guide
eSIM not working? Don’t stress! Follow this guide to get you up and running.
- Disable VPN and any secondary SIM/eSIM lines (for dual SIM phones)
- Connect to Wi-Fi and disable airplane mode before scanning the eSIM
- Confirm mobile data is sourced from our eSIM (i.e. the correct eSIM profile is selected)
- Turn data roaming on (Android: select all network)
- Wait up to 10 minutes for activation to occur
- APN: mobile.three.com.hk | Username: [blank] Password: [blank] (Android: select manually)
- APN to access TikTok and ChatGPT: esimnext | Username: [blank] Password: [blank] (Android: select manually)
- Turn off automatic network selection and manually choose from the list below.
- Restart your phone and/or turn on and off airplane mode
- 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; 5G is not guaranteed, check our website for updates.
Network Operator(s) List
- Japan [KDDI / Softbank]
*Updated product listing on 28 May 2025: changed provider from CMHK to 3HK and eSIM QR code validity period increased from 90 days to 180 days
List of eSIM Supported Handsets (not exhaustive)
Reviews
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