Firmware G991USQS6EWD4

Device Galaxy S21 5G

Model SM-G991U

Region ATT

OS Android 13

Release Date 4/25/2023

Upload Date 5/15/2023

PDA G991USQS6EWD4

CSC G991UOYN6EWD4

Changelist 26203421

Size 7549185418 bytes (approx. 7.0 GB)