Home / Firmware / SM-G998B / COB
Device Galaxy S21 Ultra 5G
Model SM-G998B
Region COB
OS Android 15
Release Date 1/21/2026
Upload Date 2/5/2026
PDA G998BXXSJHZA6
CSC G998BOWOJHZA6
Changelist 30959686
Size 9728493632 bytes (approx. 9.1 GB)
