Firmware G991BXXU4BULF

Device Galaxy S21 5G

Model SM-G991B

Region VDC

Country Czech Republic

OS Android 12

Release Date 12/23/2021

Upload Date 1/20/2022

PDA G991BXXU4BULF

CSC G991BOXM4BULF

Changelist 23365054

Size 7686881680 bytes (approx. 7.2 GB)

VDC CSC Breakdown

Network ID

NW01467

Network Name

Vodafone CZ

Network Country

Czech Republic

Network Bands

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