Firmware G991BXXS9EWIA

Device Galaxy S21 5G

Model SM-G991B

Region TMS

Country SLOVAKIA

OS Android 13

Release Date 9/19/2023

Upload Date 10/13/2023

PDA G991BXXS9EWIA

CSC G991BOXM9EWH5

Changelist 27100863

Size 7972854612 bytes (approx. 7.4 GB)

TMS CSC Breakdown

Network ID

NW01320

Network Name

T-Mobile SK

Network Country

Slovakia

Network Bands

GSM 900 / UMTS 2100 / LTE 800 / LTE 1800 / LTE 2100 / LTE 2600 / TD-LTE 3700 / 5G 2100