Quectel EC25-EUX in South Korea
The Quectel EC25-EUX rates good on 1 of 3 networks in South Korea (KT). On SK Telecom it is limited, missing a coverage band. On LG U+ it is limited, missing a coverage band. 3G switch-off: WCDMA licences (KT, SKT) by December 2026.
Network by network
| Network | Verdict | Bands in use it supports | Core bands missing |
|---|---|---|---|
| SK Telecom | ◐ Limited 60% | B1 B3 B7 | — |
| KT | ✔ Good 100% | B1 B3 B8 | — |
| LG U+ | ◐ Limited 50% | B1 B7 | — |
Better-rated models here
- Quectel RM520N-GL 5G Sub-6 · global · Quectel · 3/3 Good
- Quectel EG912U-GL Cat 1 bis · global · Quectel · 3/3 Good
- Quectel EG25-G Cat 4 · global · Quectel · 3/3 Good
About the Quectel EC25-EUX
Cat 4 · Europe (with B28) · Quectel12
- 4G B1 B3 B7 B8 B20 B28 B38 B40 B41
Adds B28 over the EC25-E (listed as B28A, the lower half of 700 MHz) but has no B5.
Network access: long-term roaming
Many globally deployed IoT devices use multi-network roaming SIMs that can attach to several networks in a country, but some countries restrict long-term roaming by foreign SIMs. A local SIM roaming domestically is not affected.
◐ Allowed under conditions: Allowed under certain conditions (one source so far).3
All networks and bands in South Korea → · The Quectel EC25-EUX in 46 countries →
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