Home / Firmware / SM-G998N / KOO
Device Galaxy S21 Ultra 5G
Model SM-G998N
Region KOO
OS Android 15
Release Date 1/12/2026
Upload Date 1/22/2026
PDA G998NKSSCHZA5
CSC G998NOKRCHZA5
Changelist 30959686
Size 8359086576 bytes (approx. 7.8 GB)
