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 Brunei

2G B8 (900)
3G B1 (2100)
4G B3 (1800)
5G No

Operators of Brunei

2G 3G 4G 5G
DSTCom B8 (900) B1 (2100) B3 (1800) No