Firmware G991BXXS7EWE3

Device Galaxy S21 5G

Model SM-G991B

Region ZTA

Country Brazil

OS Android 13

Release Date 5/16/2023

Upload Date 5/29/2023

PDA G991BXXS7EWE3

CSC G991BOWO7EWCK

Changelist 26203421

Size 7510722200 bytes (approx. 7.0 GB)

ZTA CSC Breakdown

Network ID

NW00243

Network Name

Claro

Network Country

Brazil

Network Bands

GSM 900 / GSM 1800 / UMTS 850 / UMTS 2100 / LTE 700 / LTE 1800 / LTE 2600 / 5G 2300 / 5G 2600 / 5G 3500