Firmware G991BXXU5CVF1

Device Galaxy S21 5G

Model SM-G991B

Region BGL

Country Bulgaria

OS Android 12

Release Date 6/3/2022

Upload Date 6/15/2022

PDA G991BXXU5CVF1

CSC G991BOXM5CVF1

Changelist 24343029

Size 7879113240 bytes (approx. 7.3 GB)

BGL CSC Breakdown

Network ID

NW01657

Network Name

A1 BG

Network Country

Bulgaria

Network Bands

GSM 900 / UMTS 900 / UMTS 2100 / LTE 900 / LTE 1800 / LTE 2100 / 5G 3500

Network ID

NW01260

Network Name

Telenor BG

Network Country

Bulgaria

Network Bands

GSM 900 / UMTS 900 / UMTS 2100 / LTE 1800 / LTE 2100 / 5G 3500

Network ID

NW01448

Network Name

vivacom

Network Country

Bulgaria

Network Bands

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