eSIM Plans for Travelers to The South Korea
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What You Need to Know About South Korea Network
Network Coverage
urban area
• Seoul, Busan, and other major cities have strong 5G/4G coverage.
- Seoul: Gangnam District, Myeongdong, and Hongdae commercial areas achieve full 5G coverage, with high-speed network available at Incheon Airport Terminals T1/T2.
- Busan: High-speed 5G connectivity in core areas including Haeundae, Jagalchi Market, and Busan Station.
- Daegu/Gwangju: Stable 4G/5G coverage in downtown commercial areas and along subway lines
Tourist attractions and suburbs
• The signal is stable at major attractions, with slight fluctuations in remote areas.
- Gyeongbokgung Palace, N Seoul Tower: Full 4G/5G coverage throughout the scenic area, ensuring smooth live streaming.
- Jeju Island: Stable 4G coverage at Seongsan Ilchulbong and Jungmun Tourist Area, signal weakens at the summit area of Hallasan Mountain.
- Gyeongju Historic Areas: Major attractions have 4G coverage, with weaker signals around some ancient tomb clusters.
Network Usage Tips
Mountainous/Outlying Island Areas
Signal reception may be unstable in remote areas of Seoraksan Mountain, Jirisan Mountain, and parts of Ulleungdo Island. It is recommended to download offline maps in advance.
underground transportation system
Seoul subway tunnel sections may temporarily reduce speed to 3G, with 5G high-speed network automatically restored once trains enter stations.
high-rise building interior
For high-rise hotel rooms or underground shopping malls, it is recommended to use the device near windows to enhance signal strength by over 20%.
Fee Assessment
South Korea's 4G network coverage reaches 99.92%, with 5G coverage continuously expanding, offering outstanding cost-performance for data plans. Short-term visitors are recommended to opt for 500MB-1GB daily packages, while group travelers can save costs by choosing unlimited data plans with hotspot sharing. SK Telecom and LG U+ provide the best network experience in urban areas, achieving a coverage rating of 9.4/10.
More affordable regional eSIM plan
If you're traveling to multiple countries, the regional packages below offer a better value.