Firmware G991BXXU4BVB1

Device Galaxy S21 5G

Model SM-G991B

Region XEZ

Country Czech Republic

OS Android 12

Release Date 2/3/2022

Upload Date 3/3/2022

PDA G991BXXU4BVB1

CSC G991BOXM4BVB1

Changelist 23365054

Size 7683902395 bytes (approx. 7.2 GB)

XEZ CSC Breakdown

Network ID

NW01335

Network Name

T-Mobile CZ

Network Country

Czech Republic

Network Bands

GSM 900 / LTE 800 / LTE 1800 / LTE 2100 / LTE 2600 / 5G 700 / 5G 1800 / 5G 2100

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

Network ID

NW01467

Network Name

Vodafone CZ

Network Country

Czech Republic

Network Bands

GSM 900 / GSM 1800 / LTE 800 / LTE 1800 / LTE 2100 / LTE 2600 / 5G 1800 / 5G 2100