Firmware G991BXXU3BUK8

Device Galaxy S21 5G

Model SM-G991B

Region O2C

Country Czech Republic

OS Android 12

Release Date 11/5/2021

Upload Date 11/15/2021

PDA G991BXXU3BUK8

CSC G991BOXM3BUK8

Changelist 22937332

Size 7678405968 bytes (approx. 7.2 GB)

O2C CSC Breakdown

Network ID

NW02029

Network Name

O2.CZ

Network Country

Czech Republic

Network Bands

GSM 900 / GSM 1800 / LTE 800 / LTE 1800 / LTE 2600 / TD-LTE 2600 / 5G 3500