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Home / Firmware / SM-G998U / USC

Firmware G998USQSJHZB1

Device Galaxy S21 Ultra 5G

Model SM-G998U

Region USC

OS Android 15

Release Date 2/24/2026

Upload Date 3/25/2026

PDA G998USQSJHZB1

CSC G998UOYNJHZB1

Changelist 30959686

Size 8718250112 bytes (approx. 8.1 GB)

Samsung Galaxy S21 Ultra 5G (SM-G998U) Android 15 Firmware (G998USQSJHZB1) – USC | SamFrew