Firmware G991BXXS3AUJ7

Device Galaxy S21 5G

Model SM-G991B

Region BGL

Country Bulgaria

OS Android 11

Release Date 10/18/2021

Upload Date 10/28/2021

PDA G991BXXS3AUJ7

CSC G991BOXM3AUIE

Changelist 22520315

Size 7532002512 bytes (approx. 7.0 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