Japan vs Korea eSIM: Price, Speed, Coverage — All Compared
Tokyo or Seoul — which has the better mobile internet? Compared: Docomo vs SK Telecom 5G speed, price, coverage.
รีวิวโดย ทีม GB eSIM · อัปเดตล่าสุด 2026-05-21
Are they the same? Answer: no
Korea has the world's highest 5G penetration (SK Telecom + KT + LG U+). Seoul typical 80-200 Mbps; 5G coverage 30% denser than Japan. Docomo 5G is great in Tokyo / Osaka / Kyoto but rural areas fall back to 4G. Price-wise: similar (HK$20-30/day unlimited both).
ดูแผน eSIM ที่เกี่ยวข้อง
อ่านต่อ
Japan Internet 2026: eSIM vs Pocket Wi-Fi vs Roaming — Honest Guide
Your 3 options for Japan internet — analyzed by price, speed, and convenience, with real test data from HK Airport / Narita / Kansai.
Tokyo 3-Day Budget Trip: HK$3,800 Per Person All-In (Internet Included)
Flights, hotel, JR, food, internet — itemized breakdown of HK$3,800/person 3-day, 2-night Tokyo itinerary.
Japan Rural Coverage Test: Hakone → Mt. Fuji → Mt. Koya
Still got signal outside cities? Real test of 5 popular rural Japan spots on Docomo / SoftBank.