Firmware G991BXXU4BULF

Device Galaxy S21 5G

Model SM-G991B

Region OPS

Country Australia

OS Android 12

Release Date 12/23/2021

Upload Date 2/23/2022

PDA G991BXXU4BULF

CSC G991BOXM4BULF

Changelist 23365054

Size 7686881680 bytes (approx. 7.2 GB)

OPS CSC Breakdown

Network ID

NW01560

Network Name

YES OPTUS

Network Country

Australia

Network Bands

UMTS 900 / LTE 700 / LTE 1800 / LTE 2100 / TD-LTE 2300 / LTE 2600 / 5G 900 / 5G 1800 / 5G 2100 / TD-5G 2300 / 5G 3500 / 5G 28000