Direct Search Hub
🔍 Quick Coverage Finder (South Korea & Major Destinations)
🇰🇷 Supported Regions & Top Cities across South Korea
South Korea (韓國)
Seoul / Incheon Airport / ICN / GMP (首爾 / 仁川 / 金浦)
Busan / Gimhae / PUS (釜山 / 金海)
Jeju Island / CJU (濟州島)
Daegu (大邱)
Daejeon (大田)
Gwangju (光州)
Suwon (水原)
Gyeongju (慶州)
Gangneung / Gangwon-do (江陵 / 江原道)
Ulsan (蔚山)
Jeonju (全州)
Compatibility Guide
📱 Check if Your Phone Supports eSIM
⚡
Fast Dial Code (Universal)
Open your phone app and dial *#06#. If an "EID" barcode or 32-digit number appears, your device hardware supports eSIM!
🍏
Apple iPhone Verification
Go to
Settings → Cellular. If you see the option "Add eSIM" or "Add Cellular Plan", your iPhone is eSIM ready.
🤖
Samsung & Android Verification
Go to
Settings → Connections → SIM Manager. Look for "Add eSIM" or a [+] button to download a profile.
⚠️ Important Device Notice: Your phone must be carrier-unlocked (SIM-lock free). (Note: Dual-physical SIM iPhones manufactured for Mainland China, Hong Kong, and Macau do not support eSIM).
Easy Setup Process
How to Order, Redeem & Activate Your South Korea eSIM
1
Select Travel Plan Duration
Choose the number of travel days needed for your trip to South Korea and complete checkout online.
2
Receive Your Email Voucher within 12 Hours
Check your inbox for our confirmation email containing your unique Redemption Code (Valid for 18 months from purchase).
3
Redeem & Scan QR Profile (On Departure Day)
On your departure day, visit the exchange portal to input your code and generate your eSIM QR profile. Scan it using your phone's cellular settings on stable Wi-Fi.
4
Connect in South Korea & Enable Roaming
Upon landing in South Korea, set this eSIM as your Mobile Data line, turn on Data Roaming, and enjoy instant 5G/4G auto-connection!
🌐 Redemption Portal: https://esimexchange.com/
(Enter your email voucher code to retrieve your South Korea QR profile)
Carrier Directory
Carrier Specs by Destination (South Korea)
📋 Click to View Complete Network Breakdown for South Korea (5G / 4G)
| Country / Territory | Operator(s) | Speed |
|---|---|---|
| 1. South Korea (韓國) | LG, SK Telecom | 5G/4G |
Got Questions?
Frequently Asked Questions
How do date duration and daily data resets work?
• Date reset: 00:00 Taiwan Time (UTC+8) / 日期重置：00:00 台灣時間 (UTC+8)。
• Data reset: 00:00 Taiwan Time (UTC+8) / 流量重置：00:00 台灣時間 (UTC+8)。
Which mobile carrier networks will I connect to in South Korea?
Your eSIM connects directly to LG U+ and SK Telecom, auto-switching to the best local 5G or 4G LTE signal across Seoul, Busan, Incheon, and Jeju Island.
Can I use personal hotspot and tethering in South Korea?
Yes, personal mobile hotspot and data sharing are fully supported across all covered regions in South Korea.
⚠️ Important Precautions for Your South Korea eSIM
18-Month Code Validity: The digital redemption code received in your email is valid for 18 months from issuance date.
180-Day Activation Window: Once redeemed into a QR profile, it must be activated in South Korea within 180 days (expires automatically thereafter).
Date Reset (日期重置): 00:00 Taiwan Time / UTC+8 (00:00 台灣時間 UTC+8).
Data Reset (流量重置): 00:00 Taiwan Time / UTC+8 (00:00 台灣時間 UTC+8). Daily data quotas refresh daily at 00:00 UTC+8.
Single Phone Lock: Each QR code binds permanently to one device only. Once scanned and bound, it cannot be transferred, replaced, or refunded.
Quick Device Installation
iOS & Android Configuration Guide
🍏
Apple iPhone Setup
iOS Guide
🛫 Phase 1: Before You Fly (At Home / Wi-Fi)
1. Scan QR: Go to
Settings → Cellular → tap Add eSIM (or Add Cellular Plan) → scan your QR code.
2. Label Lines: Keep your primary SIM labeled as [Primary]. Label this travel eSIM as [Secondary] (or Korea Travel).
3. Line Settings: Set Default Line & iMessage / FaceTime to [Primary] (to continue receiving bank OTP SMS).
⚠️ Keep the [Secondary] eSIM line turned OFF before departure to prevent premature activation.
🛬 Phase 2: After Landing in South Korea
1. Enable Travel Line: Turn ON your [Secondary] eSIM line.
2. Switch Data: Set Cellular Data to [Secondary].
3. Roaming On: Inside the [Secondary] settings, toggle Data Roaming to ON.
✓ Keep "Allow Cellular Data Switching" turned OFF.
🤖
Android Setup
Samsung / Pixel / Unlocked
🛫 Phase 1: Before You Fly (At Home / Wi-Fi)
1. Download Profile: Go to
Settings → Connections → SIM Manager → tap [+] Add eSIM → scan QR.
⚠️ Keep the new eSIM turned OFF before departure to avoid premature activation.
🛬 Phase 2: After Landing in South Korea
1. Activate eSIM: Turn ON the South Korea travel eSIM profile.
2. Set Primary Mobile Data: Set the travel eSIM as your preferred Mobile Data SIM.
3. Enable Roaming: Enable Data Roaming in Mobile Network settings.
4. Retain Home Line: Keep your home physical SIM active for SMS/OTPs without mobile data.