Firmware G991BXXU4CVB8

Device Galaxy S21 5G

Model SM-G991B

Region ZTM

Country BRAZIL

OS Android 12

Release Date 2/16/2022

Upload Date 4/5/2022

PDA G991BXXU4CVB8

CSC G991BOWO4CVB8

Changelist 23695702

Size 7093324598 bytes (approx. 6.6 GB)

ZTM CSC Breakdown

Network ID

NW01299

Network Name

TIM

Network Country

Brazil

Network Bands

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