Firmware G991BXXU1AUB6

Device Galaxy S21 5G

Model SM-G991B

Region BGL

Country Bulgaria

OS Android 11

Release Date 2/9/2021

Upload Date 2/13/2021

PDA G991BXXU1AUB6

CSC G991BOXM1AUB6

Changelist 20701476

Size 7604148864 bytes (approx. 7.1 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