Firmware G991BXXU9EWI7

Device Galaxy S21 5G

Model SM-G991B

Region ZVV

Country Brazil

OS Android 13

Release Date 9/26/2023

Upload Date 10/9/2023

PDA G991BXXU9EWI7

CSC G991BOWO9EWI6

Changelist 27100863

Size 7582710499 bytes (approx. 7.1 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