Firmware G991BXXU1AUB3

Device Galaxy S21 5G

Model SM-G991B

Region ZTA

Country Brazil

OS Android 11

Release Date 2/3/2021

Upload Date 2/19/2021

PDA G991BXXU1AUB3

CSC G991BOWO1AUB3

Changelist 20701476

Size 6852536656 bytes (approx. 6.4 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