Samsung Galaxy S21 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), 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 Hungary

2G B3 (1800)B8 (900)
3G B1 (2100)B8 (900)
4G B3 (1800)B7 (2600)B20 (800)
5G N78 (3500)

Operators of Hungary

2G 3G 4G 5G
Telekom B3 (1800)B8 (900) B1 (2100) B3 (1800)B7 (2600)B20 (800) No
Telenor B3 (1800)B8 (900) B1 (2100)B8 (900) B3 (1800)B7 (2600)B20 (800) No
Vodafone B3 (1800)B8 (900) B1 (2100)B8 (900) B3 (1800)B7 (2600)B20 (800) N78 (3500)