An eSIM is a digital SIM card that allows you to activate a cellular plan without using a physical SIM card. It's perfect for travelers who want to stay connected without the hassle of swapping physical SIM cards.

How do I activate my ByteSIM eSIM?

To activate your ByteSIM eSIM, simply scan the QR code sent to your email after purchase, or manually enter the provided activation code. Ensure your device is connected to Wi-Fi or another data network during activation.

Which devices are compatible with ByteSIM's eSIM?

ByteSIM's eSIMs are compatible with a wide range of eSIM-enabled devices, including the latest iPhones, Samsung Galaxy phones, and Google Pixel devices. Please check the compatibility list on our website before purchasing.

Home / Expanded eSIM Data Plan / Korea eSIM - Unlimited Data & Korean Number

Korea eSIM - Unlimited Data & Korean Number

• Network: SKT

• Speed: 5G/4G/LTE (stable 100Mbps)

• Plan Type: Data-only by default, Voice & Text after verification

• Data Package: Truly Unlimited High-Speed Data.

• Phone Number: Korean mobile number (after verification)

• Tethering/Hotspot: Yes

• Activation Policy: Automatically activates upon arrival in Korea on SKT's network.

• Shipping: Via email.

• Delivery time: A few minutes via email after purchase, 24/7 Support.

• eKYC (IDENTITY VERIFICATION): Required only if you need call/SMS. Not needed for data-only use.

• Coverage: Seamless 5G across South Korea including Seoul, Busan, Jeju, and more.

• Highlight: Includes Korean IP address – access Korean apps like Naver, KakaoTalk, Coupang without restrictions.

• Important Note: Voice/SMS requires online identity verification (available 08:00–22:00 KST, starting 1 hour after your arrival); only short-term visitors (≤91 days) are eligible. No refunds if ineligible. Without verification, data only. Need help? Contact us via WhatsApp or email anytime.

⚠️ Usage Reminder: eSIM cannot be reused once removed. Please avoid deleting it after installation.

$16.90 USD

Data

5G Unlimited Data + 10 Min Korea Calls (Voice Requires eKYC)

Service Days

3

5

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10

15

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60

90

Quantity

Advantages

Blazing Fast 5G

Korea’s top SKT network — stable 5G speeds at 100 Mbps for both download and upload.

KOREAN IP ADDRESS

Get a native Korean IP for access to local apps, services, and content with no roaming restrictions.

TRUE UNLIMITED DATA

Unlimited availability at 100 Mbps — no throttling, no FUP. Use as much as you want, anytime, anywhere in Korea.

Ultra-Low Latency

Benefit from industry-leading low latency — perfect for gaming, video calls, and real-time browsing.

KOREAN LOCAL NUMBER

Get a 010 Korean number after verification — great for receiving local SMS and service messages.

24/7 SUPPORT IN KOREA

Our team is here round the clock via Email and WhatsApp to ensure smooth eSIM use during your trip.

Powered by SK Telecom

Ranked #1 by Opensignal in December 2024, SK Telecom (SKT) leads South Korea’s mobile network with the fastest, most reliable 5G and LTE. It outperforms KT and LG U+, offering native Korean IP, truly unlimited data with no throttling or FUP, and ultra-low latency for seamless streaming and gaming.

Experience Korea’s Best 5G Network with SK Telecom

SK Telecom’s 5G network covers Korea’s major cities, highways, subways, and even rural regions — with a population coverage rate of over 99%. Powered by Sub6 and mmWave infrastructure, ByteSIM delivers stable 5G speeds at 100 Mbps up/down through SKT, trusted by over 30 million users.

Activate Call & SMS in Korea

To use voice and SMS features , SKTelecom requires real-name verification.
• Free Korean number (starts with 010) included after verification
• Verification opens daily from 08:00 to 22:00 (KST)
• Available 1 hour after you arrive in Korea
• Without verification, your eSlM will work as data-only

Start Verification Now

Voice & SMS Recharge Instructions

Beyond the complimentary 10-minute call bundle, top-up is required to make calls or send SMS.

Korean Domestic Calls: ￦4.4 per second
Korean Domestic SMS: ￦33 per message
Top-Up Portal: Recharge Here →

Note: Recharge is reguired only if you wish to make calls or send SMS. Receiving calls/SMS is freeafter identity verification.

Compatible Devices for South Korea eSIM

See if your phone supports ByteSIM’s SKT eSIM

Apple

• iPhone XR • iPhone XS • iPhone XS Max • iPhone 11 • iPhone 11 Pro • iPhone 11 Pro Max • iPhone SE (2020) • iPhone 12 Mini • iPhone 12 • iPhone 12 Pro • iPhone 12 Pro Max • iPhone 13 mini • iPhone 13 • iPhone 13 Pro • iPhone 13 Pro Max • iPhone SE (2022) • iPhone 14 • iPhone 14 Plus • iPhone 14 Pro • iPhone 14 Pro Max • iPhone 15 • iPhone 15 Plus • iPhone 15 Pro • iPhone 15 Pro Max • iPhone 16 • iPhone 16 Plus • iPhone 16 Pro • iPhone 16 Pro Max • iPhone 16e

Note: iPhone 10 does not support eSIM. The first Apple phones to do so were the iPhone XR and the iPhone XS in 2018. Previous models are not supported. Full Apple Compatibility List: Check Now.

Android

• Galaxy Z Fold 2 5G • Galaxy Z Flip • Galaxy Z Flip 5G • Galaxy Z Flip3 5G • Galaxy Z Flip4 • Galaxy Z Flip5 5G • Galaxy Fold • Galaxy Fold 3 • Galaxy Z Fold2 5G • Galaxy Z Fold3 5G • Galaxy Z Fold4 • Galaxy Z Fold5 5G • Galaxy S20 • Galaxy S20+ 5G • Galaxy S21 • Galaxy S21+ 5G • Galaxy S21 Ultra 5G • Galaxy S22 • Galaxy S22+ • Galaxy S22 Ultra • Galaxy Note 20 Ultra 5G • Galaxy Note 20, Galaxy S23 • Galaxy S23+ • Galaxy S23 Ultra • Pixel 3 • Pixel 3a • Pixel 3a XL • Pixel 4 • Pixel 4a • Pixel 4a XL • Pixel 5 • Pixel 6 • Pixel 6a • Pixel 6 Pro • Pixel 7 • Pixel 7 Pro • Pixel 8 • Pixel 8 Pro • Pixel Fold

Note: Full Android Compatibility List: Check Now.

Korean Number & SMS – What You Need to Know

Who is eligible for identity verification?

Only short-term foreign visitors (stay under 91 days) can complete the identity check. Long-term residents (91+ days) are not eligible and will be limited to data-only usage.

When and how do I complete the verification?

You can verify your identity online 1 hour after entering Korea, between 08:00 and 22:00 daily via the official system:
👉 https://www.skroaming.com/passport/

Can I receive SMS and incoming calls with the SKT eSIM?

Yes, but only after completing online identity verification via https://www.skroaming.com/passport/. Once verified, you'll be assigned a local Korean number starting with 010, which supports receiving SMS and incoming calls (e.g., for restaurant waitlists or delivery confirmations).

Can I make calls or send SMS with the SKT eSIM?

Yes, after completing identity verification, you’ll get 10 minutes of free domestic calls (during promotional periods).
To make more voice calls or send SMS, you must recharge at https://skroaming.com/reservation/charging.

Domestic calls: 4.4 KRW/second
Domestic SMS: 33 KRW/message

What happens if I don't complete the identity verification?

Without online verification, your SKT eSIM will function as data-only. You will not be able to make or receive calls or SMS.

FAQs – ByteSIM SKT Unlimited eSIM for South Korea

Is there any speed limit or FUP on this SKT eSIM?

No. This plan is truly unlimited. You get 100 Mbps stable speed for both download and upload — with no throttling, no data caps, and no Fair Usage Policy (FUP).

When does my data plan activate?

Your SKT eSIM plan can be installed in advance, but the plan activates automatically the moment you arrive in South Korea. The duration is calculated in 24-hour units starting from the time you first connect to a local network in Korea, so we recommend installing the eSIM before your trip to ensure a smooth arrival experience.

Can I use this eSIM for hotspot and tethering?

Yes. This plan fully supports hotspot and tethering, allowing you to share your internet connection with other devices like laptops or tablets.

Does this eSIM support VoIP apps like WhatsApp or LINE?

Yes! You can use all popular apps for calling and messaging — including WhatsApp, LINE, Telegram, Zoom, FaceTime, and more.

What is the IP address location? Is it a real Korean IP?

Yes, ByteSIM’s SKT eSIM provides a native South Korean IP address. It’s ideal for accessing local apps, websites, streaming services, or online banking.

Can I get a refund if the eSIM doesn’t work for me?

Yes, you can request a refund if the eSIM is not working due to technical issues or has not been activated. Since this SKT eSIM is officially provided and delivered instantly, we are unable to offer refunds for plans that have been successfully used. Please contact our support team if you experience any problems — we’re here to help 24/7.

GETTING HELP

More information visit Easy-Installation-Guide.
ByteSIM call center: WhatsApp : +852 9243 7776.

Let's talk