Firmware G991BXXU3AUHB

Device Galaxy S21 5G

Model SM-G991B

Region ZVV

Country Brazil

OS Android 11

Release Date 8/17/2021

Upload Date 9/7/2021

PDA G991BXXU3AUHB

CSC G991BOWO3AUHB

Changelist 22360073

Size 6771137472 bytes (approx. 6.3 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