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Home / Firmware / SM-G998U1 / TMK

Firmware G998U1UESJHZB1

Device Galaxy S21 Ultra 5G

Model SM-G998U1

Region TMK

OS Android 15

Release Date 2/24/2026

Upload Date 3/23/2026

PDA G998U1UESJHZB1

CSC G998U1OYMJHZB1

Changelist 30959686

Size 8461624256 bytes (approx. 7.9 GB)

Samsung Galaxy S21 Ultra 5G (SM-G998U1) Android 15 Firmware (G998U1UESJHZB1) – TMK | SamFrew