Korea LG U+ 4G/5G Unlimited Data eSIM | Includes a Korean phone number (010) for calls and SMS | Supports ChatGPT
- Book a 3 days or longer eSIM and get a 30% off coupon for K-ride taxi service!
- Present the purchase voucher at the LG U+ airport counter to redeem a free T-money empty card. (Note: Offer available only for customers purchasing a 3-day or longer plan. Promotion valid while supplies last.)
- No additional setup is required. After purchase, you can immediately use unlimited, non-throttled data in South Korea. The usage period starts from the moment you begin using data after arriving in South Korea.
- No need to replace your SIM card — keep your original phone number and use it freely.
- Enjoy seamless connectivity anywhere in Korea without worrying about network issues, plus access to ChatGPT.
- Supports iOS one-click installation: Update to the latest KKday App and iOS 17.4 or above to install eSIM with just one tap.
- For customers purchasing a voice/SMS plan, you must complete SIM registration and voice/SMS registration before use (see plan details for more information).
※ Important Notice on Phone Fraud ※
LG U+ will send SMS notifications regarding the end of the product’s validity period and when the balance is used up, but will not make separate calls to inform you about extending the validity period or recharging call credits.
LG U+ will never ask for personal information. Please stay alert to avoid losses from such fraud.
Package Options
Product Info
The content of this product is provided by machine translation and may not reflect the actual information, please take this into consideration before booking.
— Supported eSIM Devices —
- iPhones purchased in China do not support eSIM. In Hong Kong and Macau, only iPhone 12 mini, iPhone SE2, and iPhone XS support eSIM; other models are not supported. Please check your phone’s place of purchase before ordering.
- Google Pixel and OPPO devices cannot be used. Please ensure your phone model and version are compatible with this product before purchase.
— How to Receive eSIM —
- Korea LG U+ 4G/5G Unlimited Data eSIM (Instant Use after Booking): An eSIM QR code will be provided right after purchase for instant use in Korea
- Korea LG U+ 4G/5G Unlimited Data + Voice/SMS eSIM (Airport Pickup, includes 010 Korean Phone Number): After purchase, you must collect the product at the LG U+ airport counter and complete SIM registration as well as voice/SMS registration at the counter. Once completed, you can use the voice and SMS services.
- To call/text, please top up upon pickup or via LG U+ official website. Costs of calls/texts are to be paid separately
[Offer]
Between 25 Mar.–30 Jun. 2026, book a 3 days or longer eSIM and get a K-ride 30% off coupon to enjoy up to KR₩2,000 off for taxi service. Pick up the coupon at a LG U+ airport counter
- Pick up the K-ride coupon at a LG U+ airport counter
- Scan the QR code on the coupon and download the K-ride taxi app
- Register with your phone number and set up your profile and payment method
- Go to "My" → "Coupon" → "Register Coupon", and enter the coupon code
- The discount will be applied automatically when using the rider service
Pick up a limited edition K-ride taxi coupon at the airport counter! (a standard edition coupon will be issued when the limited edition coupon runs out)
Important Info
Reminders
Signal quality may be affected by location, terrain, building obstructions, number of users, and other factors. In indoor spaces with large crowds—such as concert venues or shopping malls—the network signal may be impacted.
eSIM is a non-refundable product. Please be sure to check whether your phone supports eSIM before purchasing. If there is any issue, please contact LG U+ Customer Service and do not delete the eSIM
The SIM use period is calculated on a 24-hour basis, from the moment you start using data upon arriving in Korea. Calculation of the use time starts once the eSIM is activated
QR code may be locked if scanned multiple times. If after scanning it 5 times and it's still not working, please contact LG U+ Customer Service and do not delete the eSIM
Be sure to fill in your passport number correctly when purchasing, or the service may be suspended without your consent
Once an eSIM is deleted, it cannot be recovered. If any issue occurs (scanning, Internet access, etc), please contact LG U+ Customer Service
Purchase up to 3 eSIMs at a time using 1 passport number. To purchase more than 3 SIMs, more than 2 passport numbers will be required
Once the QR code is scanned, it cannot be used on other devices
Unable to use online services that require identity authentication
Please be aware of phone scams: LG U+ will send SMS notifications when the product’s validity period ends or the balance is used up, but will not make separate calls to inform you about extending the validity period or recharging call credits. Additionally, LG U+ will never ask customers to provide personal information, so please be cautious to avoid related scams.
Pickup Point
Incheon International Airport (ICN) T1
Incheon Airport Terminal 1, 1st Floor, Arrival Hall, Gate F
Monday 00:00 - 23:59
Tuesday 00:00 - 23:59
Wednesday 00:00 - 23:59
Thursday 00:00 - 23:59
Friday 00:00 - 23:59
Saturday 00:00 - 23:59
Sunday 00:00 - 23:59
[LG U+ Customer Service Center]
- WeChat/LINE/KakaoTalk: lgcscenter | WhatsApp: +82 10-3998-1004
- E-mail: lgrental@lguplus.co.kr
- Phone: Within Korea: 010-3998-1004 / Outside Korea: +82-10-3998-1004
Incheon International Airport (ICN) T1
Incheon Airport Terminal 1, 1st Floor, Arrival Hall, Gate A
Monday 06:00 - 22:00
Tuesday 06:00 - 22:00
Wednesday 06:00 - 22:00
Thursday 06:00 - 22:00
Friday 06:00 - 22:00
Saturday 06:00 - 22:00
Sunday 06:00 - 22:00
[LG U+ Customer Service Center]
- WeChat/LINE/KakaoTalk: lgcscenter
- WhatsApp: +82 10-3998-1004
- E-mail: lgrental@lguplus.co.kr
- Phone: Within Korea: 010-3998-1004 / Outside Korea: +82-10-3998-1004.
Incheon International Airport (ICN) T2
Incheon Airport Terminal 2, 1st Floor, Arrival Hall, near Gate 3
Monday 00:00 - 23:59
Tuesday 00:00 - 23:59
Wednesday 00:00 - 23:59
Thursday 00:00 - 23:59
Friday 00:00 - 23:59
Saturday 00:00 - 23:59
Sunday 00:00 - 23:59
[LG U+ Customer Service Center]
- WeChat/LINE/KakaoTalk: lgcscenter
- WhatsApp: +82 10-3998-1004
- E-mail: lgrental@lguplus.co.kr
- Phone: Within Korea: 010-3998-1004 / Outside Korea: +82-10-3998-1004.
Incheon International Airport (ICN) T2
Incheon Airport Terminal 2, 1st Floor, Arrival Hall, near Gate 8Monday 06:00 - 22:00
Tuesday 06:00 - 22:00
Wednesday 06:00 - 22:00
Thursday 06:00 - 22:00
Friday 06:00 - 22:00
Saturday 06:00 - 22:00
Sunday 06:00 - 22:00
[LG U+ Customer Service Center]
- WeChat/LINE/KakaoTalk: lgcscenter
- WhatsApp: +82 10-3998-1004
- E-mail: lgrental@lguplus.co.kr
- Phone: Within Korea: 010-3998-1004 / Outside Korea: +82-10-3998-1004.
Gimpo International Airport (GMP) -
Next to Exit 1, 1F, Gimpo Airport International Terminal
Monday 06:30 - 23:00
Tuesday 06:30 - 23:00
Wednesday 06:30 - 23:00
Thursday 06:30 - 23:00
Friday 06:30 - 23:00
Saturday 06:30 - 23:00
Sunday 06:30 - 23:00
[LG U+ Customer Service Center]
- WeChat/LINE/KakaoTalk: lgcscenter
- WhatsApp: +82 10-3998-1004
- E-mail: lgrental@lguplus.co.kr
- Phone: Within Korea: 010-3998-1004 / Outside Korea: +82-10-3998-1004.
Busan Gimhae International Airport (PUS) -
Between Exit 2 and 3, 1F, Busan Gimhae International Airport International Terminal
Monday 06:00 - 22:00
Tuesday 06:00 - 22:00
Wednesday 06:00 - 22:00
Thursday 06:00 - 22:00
Friday 06:00 - 22:00
Saturday 06:00 - 22:00
Sunday 06:00 - 22:00
[LG U+ Customer Service Center]
- WeChat/LINE/KakaoTalk: lgcscenter
- WhatsApp: +82 10-3998-1004
- E-mail: lgrental@lguplus.co.kr
- Phone: Within Korea: 010-3998-1004 / Outside Korea: +82-10-3998-1004.
How to Use
[4G/5G Unlimited Data] Products
- Confirm if your device supports eSIM:
- Check whether the device has eSIM function (refer to the picture tutorial).
- Check SIM lock/Carrier lock status (ask your telecom supplier). - Buy the eSIM from KKday.
- Scan the QR code on the voucher sent to you to download the eSIM (an internet connection is required for this process).
- Once you arrive in South Korea, restart your phone to use unlimited data immediately.
[4G/5G Unlimited Traffic + Call/SMS] Products
- Confirm if your device supports eSIM:
- Check whether the device has eSIM function (refer to the picture tutorial).
- Check SIM lock/Carrier lock status (ask your telecom supplier). - Buy the eSIM from KKday.
- After arriving in South Korea, visit the LG U+ airport counter with your voucher.
- The QR code in the voucher is for product pickup, not eSIM download. - If you wish to add credit for calls/texts, please inform the staff and make additional payment.
- Or top up credit on LG U+ website (LG U+ website).
- If any problems occur, please contact LG U+ Customer Service and do not delete the eSIM
- LG U+ Customer Service Center:
- WeChat/LINE/KakaoTalk: lgcscenter
- WhatsApp: +82-10-3998-1004
- E-mail: lgrental@lguplus.co.kr
- Phone: Within Korea: 010-3998-1004 / Outside Korea: +82-10-3998-1004.
How to Use Your Voucher
- Please present your e-voucher and passport on-site
Voucher Redemption Period
- The voucher must be redeemed on the selected date and within operating hours; Invalid after expiration
FAQ
The LG U+ eSIM provides seamless 4G/5G connectivity across South Korea, ensuring stable and reliable internet access. LG U+ is a major telecommunications provider, offering extensive network coverage in urban areas and popular tourist destinations. This allows users to stay connected without worrying about network issues, supporting various online activities from navigation to streaming.
Yes, the LG U+ eSIM is designed for immediate use upon arrival in South Korea. Its validity period begins once data usage starts, ensuring you can activate it when you're ready. It offers comprehensive coverage, making it suitable for travel across different regions of the country, from major cities to more remote attractions.
Yes, the LG U+ eSIM provides unlimited 4G/5G data, allowing for extensive internet usage without concerns about data caps. This feature ensures continuous high-speed access for navigation, communication, social media, and even advanced applications like ChatGPT, enhancing your travel experience.
Generally, using a Korean LG U+ eSIM is a more cost-effective solution compared to relying on international roaming plans provided by home carriers. Roaming charges can accumulate quickly, whereas an eSIM offers transparent, predetermined plans, providing better value for data, calls, and SMS services during your stay.
The LG U+ eSIM includes a local Korean phone number (010 prefix), which enables you to make and receive calls, and send/receive SMS messages within Korea. This is particularly useful for making local reservations, contacting tour operators, or communicating with local services, offering full communication capabilities alongside data access.
An LG U+ eSIM offers several advantages over Pocket WiFi. It eliminates the need to carry an extra device, worry about charging it, or pick up/return equipment. eSIMs allow you to keep your original phone number, provide direct connectivity without sharing, and are activated instantly, offering greater convenience and flexibility for individual travelers.
Installing the LG U+ eSIM is designed to be straightforward. For iOS users with iOS 17.4 or above and the latest App, installation can be done with just one tap. Generally, activation occurs automatically once data usage begins upon your arrival in South Korea, requiring no additional complex steps.
Yes, a significant benefit of the LG U+ eSIM is that you do not need to replace your physical SIM card. This allows you to keep your original phone number active for receiving calls or messages from home, while simultaneously utilizing the LG U+ eSIM for local data, calls, and SMS in Korea without interruption.
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