Xiaomi Mi 10 Ultra Bands

2G B2 (1900), B3 (1800), B5 (850), B8 (900)
3G B1 (2100), B2 (1900), B4 (1700/2100), B5 (850), B8 (900)
4G B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B34 (2000), B38 (2600), B40 (2300), B41 (2500)
5G N1 (2100), N3 (1800), N41 (2500), N78 (3500), N79 (4700)

Coverage in South Korea

2G No
3G B1 (2100)
4G B1 (2100)B3 (1800)B5 (850)B7 (2600)B8 (900)
5G N78 (3500)

Operators of South Korea

2G 3G 4G 5G
SK Telecom B2 (1900) B1 (2100) B1 (2100)B3 (1800)B5 (850) N78 (3500)
LG U+ No No B1 (2100)B5 (850)B7 (2600) N78 (3500)
KT No B1 (2100) B1 (2100)B3 (1800)B8 (900) N78 (3500)