Home / Firmware / SM-G998U / ATT
Device Galaxy S21 Ultra 5G
Model SM-G998U
Region ATT
OS Android 15
Release Date 1/19/2026
Upload Date 2/2/2026
PDA G998USQSJHZAA
CSC G998UOYNJHZAA
Changelist 30959686
Size 8711204032 bytes (approx. 8.1 GB)
