Huawei E5577-320 in South Korea
The Huawei E5577-320 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 Huawei E5577-320
MiFi · Cat 4 · Pocket Wi-Fi with display · Europe, Asia and Middle East version · Huawei12
- 4G B1 B3 B7 B8 B20 B28 B38 B40 B41
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 Huawei E5577-320 in 46 countries →
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Sources
- C Huawei Mobile Wi-Fi 2 E5577-320 specifications (LTE FDD and TDD bands) Virgin Megastore UAE · 2026-10-06
- C Huawei E5577-320 4G mobile Wi-Fi: LTE FDD B1/B3/B7/B8/B20/B28 UBB Threads store · 2026-10-06
- C Permanent roaming in IoT: rules by country (2026) Thingsdata · 2026
