Firmware G991BXXU3BUK8

Device Galaxy S21 5G

Model SM-G991B

Region PRT

Country Poland

OS Android 12

Release Date 11/5/2021

Upload Date 11/22/2021

PDA G991BXXU3BUK8

CSC G991BOXM3BUK8

Changelist 22937332

Size 7678405968 bytes (approx. 7.2 GB)

PRT CSC Breakdown

Network ID

NW01006

Network Name

PLAY

Network Country

Poland

Network Bands

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