5G test in Seoul Incheon Chinatown (South Korea): real 70 Mbps on LG U+
Seoul Incheon Chinatown: our June 21, 2026 field test using an eSIM connected to LG U+ on 5G measured 70.00 Mbps download, 55.00 Mbps upload and 147 ms latency. This proprietary result describes that place and moment; it does not represent all coverage in South Korea. The published screenshot, time and protocol allow the measurement to be checked and cited with its context.

Photo: Photo: CK Seng / Pexels
We measured the real mobile speed in Seoul Incheon Chinatown, from Incheon Chinatown, on 21/06/2026. With our eSIM connected to LG U+ on 5G, the test shows 70.00 Mbps download, 55.00 Mbps upload and 147 ms latency. That is very strong 5G, measured in real travel conditions.
To put that in context: at 70 Mbps an offline map downloads in seconds, a video call runs without a stutter and HD video starts instantly. Most travellers use only a fraction of this bandwidth.
In Seoul Incheon Chinatown, the connection easily handles GPS, video calls, social media, tethering and streaming.
Our field note: Measurement taken on location, verified before publishing.
This reading comes from real on-site tests, not estimates or theoretical maps. To plan your trip to South Korea, compare plans and size your needs with our tools.

| Time | Download | Upload | Ping | Tech |
|---|---|---|---|---|
| 08:39 | 70.0 Mbps | 55.0 Mbps | 147 ms | 5G |
Each reading is taken on location with our eSIM in real travel conditions. We log the connected network, time and exact place, then publish the observed speed unedited.