Firmware G991BXXU4BULF

Device Galaxy S21 5G

Model SM-G991B

Region PRT

Country Poland

OS Android 12

Release Date 12/23/2021

Upload Date 2/5/2022

PDA G991BXXU4BULF

CSC G991BOXM4BULF

Changelist 23365054

Size 7686881680 bytes (approx. 7.2 GB)

PRT CSC Breakdown

Network ID

NW01006

Network Name

PLAY

Network Country

Poland

Network Bands

GSM 1800 / UMTS 900 / LTE 800 / LTE 1800 / LTE 2100 / LTE 2600 / 5G 2100