Firmware G991BXXS3BULC

Device Galaxy S21 5G

Model SM-G991B

Region MSR

Country Serbia

OS Android 12

Release Date 12/21/2021

Upload Date 12/28/2021

PDA G991BXXS3BULC

CSC G991BOXM3BUKG

Changelist 22937332

Size 7667968832 bytes (approx. 7.1 GB)

MSR CSC Breakdown

Network ID

NW01259

Network Name

Telenor

Network Country

Serbia

Network Bands

GSM 900 / GSM 1800 / UMTS 900 / UMTS 2100 / LTE 800 / LTE 1800