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South Korea SIM Card | 5 – 20GB | Data-Only | 30 Days

(2 customer reviews)


Up to 20GB
4G/LTE speed
30 days
Incompatible with Pixel
Expiry 31/03/2025
For use in South Korea



What’s Included?

  • 5 – 20GB (unlimited data at 128 kbps)
  • No daily limit
  • 4G/LTE speed
  • 30 days service from activation
  • For use in South Korea
  • Fits all phones (SIM Size: Nano, Micro, and Standard)
  • Comes with a SIM tray opener
  • Hotspot/Tethering enabled
  • Expire 31 March 2025

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)
  • Coverage on China Mobile
  • Compatible with unlocked mobile device (except Pixel phone)
  • Check data usage through your phone settings

Important Notes

  • TikTok and ChatGPT will not work
  • Insert the SIM card upon arrival at your destination to avoid accidental activation outside coverage countries
  • SIM will not work on Modem/Mifi/Pocket Wifi device
  • Check network coverage in your intended travel areas; Coverage issues are outside our control and we do not offer refunds
  • Pixel phone is NOT compatible – do not purchase this SIM

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. Set APN and network operator as automatic, adjust only if not working
    6.1 APN: “mobile.three.com.hk” | Username: [blank] | Password: [blank] (Android: select manually)
    6.2 Turn off automatic network selection and manually choose from the list below.
  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

  • South Korea [SK Telecom]

*Updated product listing updated on 1 Jun 2024: changed provider from CHT to 3HK

Additional information


10GB, 20GB, 5GB

Reviews (2)

2 reviews for South Korea SIM Card | 5 – 20GB | Data-Only | 30 Days

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  1. D

    SIM worked as advertised. Install easy and connected without any issues on Iphone and android phones. 10GB is plenty for seaching locations, buses, trains, uber, kakao T alos to make booking…Recommend.

    (0) (0)
  2. A

    Fast and speedy delivery

    (1) (0)
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