Japan 5G SIM Card
Up to 50GB
4G/5G speed
Up to 45 days
Data Only
Expiry 31/10/2026
Use in Japan
Japan 5G SIM Card
Supported Countries
- 🇯🇵 Japan
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.
- Disable VPN and any secondary SIM/eSIM lines (for dual SIM phones)
- Turn phone off, remove the SIM, insert the SIM back and turn phone on
- Confirm mobile data is sourced from our SIM (i.e. the correct SIM 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 (iPhone only) and ChatGPT: esimnext | Username: [blank] Password: [blank] (Android: select manually)
- APN to access TikTok (iPhone only) 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; 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
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