Firmware G991BXXU4BULF

Device Galaxy S21 5G

Model SM-G991B

Region INU

OS Android 12

Release Date 12/23/2021

Upload Date 1/11/2022

PDA G991BXXU4BULF

CSC G991BOXM4BULF

Changelist 23365054

Size 7686881680 bytes (approx. 7.2 GB)