Samsung Galaxy S21 Ultra 5G 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), B13 (700), B14 (700), B18 (800), B19 (800), B20 (800), B25 (1900), B26 (850), B28 (700), B29 (700), B30 (2300), B34 (2000), B38 (2600), B39 (1900), B40 (2300), B41 (2500), B46 (5200), B48 (3800), B66 (1700/2100), B71 (600)
5G N1 (2100), N2 (1900), N3 (1800), N5 (850), N7 (2600), N8 (900), N28 (700), N40 (2300), N41 (2500), N66 (1700), N71 (600), N77 (3700), N78 (3500), N79 (4700), N260 (39GHz), N261 (28GHz)

Coverage in Pakistan

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

Operators of Pakistan

2G 3G 4G 5G
Telenor B3 (1800)B5 (850) B1 (2100)B5 (850) B3 (1800)B5 (850) No
Ufone B3 (1800)B8 (900) B1 (2100)B8 (900) B3 (1800) No
Zong B3 (1800)B8 (900) B1 (2100) B1 (2100)B3 (1800) No
Jazz B3 (1800)B8 (900) B1 (2100)B8 (900) B3 (1800)B8 (900) No