Home / Firmware / SM-G991U / USC
Device Galaxy S21 5G
Model SM-G991U
Region USC
Country USA
OS Android 15
Release Date 6/12/2025
Upload Date 6/30/2025
PDA G991USQSGHYF2
CSC G991UOYNGHYF2
Changelist 30959686
Size 8400455520 bytes (approx. 7.8 GB)