Samsung Galaxy S21+ (plus) 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 Afghanistan

2G B3 (1800)B8 (900)
3G B1 (2100)B2 (1900)
4G No
5G No

Operators of Afghanistan

2G 3G 4G 5G
Afghan Wireless B3 (1800)B8 (900) B1 (2100) No No
 Etisalat B3 (1800)B8 (900) B1 (2100)B2 (1900) No No
 MTN Group B3 (1800)B8 (900) B1 (2100) No No
 Salaam B3 (1800)B8 (900) B1 (2100) No No
 ROSHAN B8 (900) No No No