Firmware G991BXXS9FWKC

Device Galaxy S21 5G

Model SM-G991B

Region ZTA

Country Brazil

OS Android 14

Release Date 11/30/2023

Upload Date 12/28/2023

PDA G991BXXS9FWKC

CSC G991BOWO9FWK4

Changelist 27764024

Size 7967229312 bytes (approx. 7.4 GB)

ZTA CSC Breakdown

Network ID

NW00243

Network Name

Claro

Network Country

Brazil

Network Bands

GSM 900 / GSM 1800 / UMTS 850 / UMTS 2100 / LTE 700 / LTE 1800 / LTE 2600 / 5G 2300 / 5G 2600 / 5G 3500