Firmware G991BXXU7EWE1

Device Galaxy S21 5G

Model SM-G991B

Region BGL

Country Bulgaria

OS Android 13

Release Date 5/2/2023

Upload Date 5/11/2023

PDA G991BXXU7EWE1

CSC G991BOXM7EWE1

Changelist 26203421

Size 7902191596 bytes (approx. 7.4 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