Home / Firmware / SM-G991B / MXO
Device Galaxy S21 5G
Model SM-G991B
Region MXO
OS Android 15
Release Date 8/4/2025
Upload Date 9/2/2025
PDA G991BXXSGHYH1
CSC G991BOWOGHYH1
Changelist 30959686
Size 9080166768 bytes (approx. 8.5 GB)