5G test in Gangneung City Centre (South Korea): real 59 Mbps on LG U+
Gangneung City Centre: our June 9, 2026 field test using an eSIM connected to LG U+ on 5G measured 58.70 Mbps download, 32.30 Mbps upload. 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: KYUTAE PARK / Pexels
We measured the real mobile speed in Gangneung City Centre, from , on 09/06/2026. With our eSIM connected to LG U+ on 5G, the test shows 58.70 Mbps download, 32.30 Mbps upload. That is very strong 5G, measured in real travel conditions.
To put that in context: at 59 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 Gangneung City Centre, 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 |
|---|---|---|---|---|
| 20:11 | 58.7 Mbps | 32.3 Mbps | - 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.