Korea LG U+ 4G/5G Unlimited Data eSIM | Includes a Korean phone number (010) for calls and SMS | Supports ChatGPT
- Buy Together for More Savings! Visit Lotte World Busan + LG U+ Products
- 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 extra steps required — enjoy unlimited data in Korea “immediately” after purchase.
- The validity period begins once data usage starts upon arrival in 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.
※ Important Notice on Phone Fraud※
LG U+ will send SMS notifications regarding product expiry and data balance depletion but will not call customers to extend the validity period or request additional charges for voice services.
LG U+ will never ask for personal information. Please stay alert to avoid losses from such fraud.
Package Options
Product Info
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+ does send SMS messages for product validity and balance reminders, but does NOT call the user or ask for personal information. Please pay attention to avoid falling prey to similar fraud tactics
Pickup Point
Incheon International Airport (ICN) T1
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: [email protected]
- Phone: Within Korea: 010-3998-1004 / Outside Korea: +82-10-3998-1004
Incheon International Airport (ICN) T1
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: [email protected]
- Phone: Within Korea: 010-3998-1004 / Outside Korea: +82-10-3998-1004.
Incheon International Airport (ICN) T2
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: [email protected]
- Phone: Within Korea: 010-3998-1004 / Outside Korea: +82-10-3998-1004.
Incheon International Airport (ICN) T2
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: [email protected]
- Phone: Within Korea: 010-3998-1004 / Outside Korea: +82-10-3998-1004.
Gimpo International Airport (GMP) -
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: [email protected]
- Phone: Within Korea: 010-3998-1004 / Outside Korea: +82-10-3998-1004.
Busan Gimhae International Airport (PUS) -
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: [email protected]
- 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: [email protected]
- 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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