South Korea 5G SIM Card

What’s Included?

• 5 – 30GB (unlimited data at 128 kbps)
• No daily limit
• 4G/5G 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 30 September 2025

Things to know

• The SIM’s provider is CMHK
• Simple plug & play activation
• No ID registration needed
• No calls or texts included (data-only SIM)
• Coverage on SK Telecom
• Compatible with unlocked mobile device 
• Check data usage through your phone settings

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: “CMHK” | 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
*Updated product listing updated on 2 Sep 2024: changed provider from 3HK to CMHK and remove “incompatible with Pixel”