Firmware G991BXXU3AUG4

Device Galaxy S21 5G

Model SM-G991B

Region BGL

Country Bulgaria

OS Android 11

Release Date 7/6/2021

Upload Date 7/14/2021

PDA G991BXXU3AUG4

CSC G991BOXM3AUG4

Changelist 22118362

Size 7504313488 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