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Home / Firmware / SM-G991U1 / ACG

Firmware G991U1UESIHYL1

Device Galaxy S21 5G

Model SM-G991U1

Region ACG

OS Android 15

Release Date 12/2/2025

Upload Date 12/18/2025

PDA G991U1UESIHYL1

CSC G991U1OYMIHYL1

Changelist 30959686

Size 8153125920 bytes (approx. 7.6 GB)

Samsung Galaxy S21 5G (SM-G991U1) Android 15 Firmware (G991U1UESIHYL1) – ACG | SamFrew