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
Customer Reviews
Related Product
Unlimited Data
4G/LTE speed
Up to 30 Days (24 hours)
Data Only
Use within 365 days
Use in South Korea
South Korea eSIM Unlimited Data | SKT
Supported Countries
- 🇰🇷 South Korea
Unltd. data, calls & text
4G/5G Speed
Up to 90 Days
Add-on: 5GB in CA & MX
Activation date required
Use in 3 countries
USA 5G eSIM Unlimited Data | T-Mobile
Supported Countries
- 🇨🇦 Canada
- 🇲🇽 Mexico
- 🇺🇸 USA
Up to 30GB
4G/5G Speed
Up to 30 Days
Data Only
Use within 90 days
Use in 2 countries
Australia & New Zealand eSIM
Supported Countries
- 🇦🇺 Australia
- 🇳🇿 New Zealand
Unlimited data
4G/5G Speed
Up to 90 Days
Data Only
Use within 180 days
Use in 13 countries
Asia 5G eSIM Unlimited 13 Countries
Supported Countries
- 🇰🇭 Cambodia
- 🇨🇳 China
- 🇭🇰 Hong Kong
- 🇮🇩 Indonesia
- 🇯🇵 Japan
- 🇲🇴 Macau
- 🇲🇾 Malaysia
- 🇵🇭 Philippines
- 🇸🇬 Singapore
- 🇰🇷 South Korea
- 🇹🇼 Taiwan
- 🇹🇭 Thailand
- 🇻🇳 Vietnam