Firmware G991BXXS9FWLD

Device Galaxy S21 5G

Model SM-G991B

Region ZVV

Country Brazil

OS Android 14

Release Date 1/8/2024

Upload Date 1/19/2024

PDA G991BXXS9FWLD

CSC G991BOWO9FWK4

Changelist 27764024

Size 7968919331 bytes (approx. 7.4 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