Oppo K7x Bands

2G B2 (1900), B3 (1800), B5 (850), B8 (900)
3G B1 (2100), B2 (1900), B4 (1700/2100), B5 (850), B8 (900), B19 (800)
4G B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100), B5 (850), B7 (2600), B8 (900), B34 (2000), B38 (2600), B39 (1900), B40 (2300), B41 (2500)
5G N1 (2100), N41 (2500), N77 (3700), N78 (3500)

Coverage in Tanzania

2G B3 (1800)B8 (900)
3G B1 (2100)
4G B20 (800)
5G No

Operators of Tanzania

2G 3G 4G 5G
Airtel B3 (1800)B8 (900) B1 (2100) No No
Smile B3 (1800)B8 (900) B1 (2100) B20 (800) No
Tigo B3 (1800)B8 (900) B1 (2100) B20 (800) No
Vodacom B3 (1800)B8 (900) B1 (2100) B20 (800) No