Firmware G991BXXU1AUA4

Device Galaxy S21 5G

Model SM-G991B

Region ZVV

Country Brazil

OS Android 11

Release Date 1/6/2021

Upload Date 1/22/2021

PDA G991BXXU1AUA4

CSC G991BOWO1AUA4

Changelist 20701476

Size 7026385776 bytes (approx. 6.5 GB)

ZVV CSC Breakdown

Network ID

NW01465

Network Name

VIVO

Network Country

Brazil

Network Bands

GSM 850 / GSM 1800 / UMTS 850 / UMTS 2100 / LTE 700 / LTE 1800 / LTE 2600 / 5G 700 / 5G 1800 / 5G 2300 / 5G 2600 / 5G 3500