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Home / Firmware / SM-G991U1 / PCT

Firmware G991U1UESJHZAA

Device Galaxy S21 5G

Model SM-G991U1

Region PCT

OS Android 15

Release Date 1/19/2026

Upload Date 2/3/2026

PDA G991U1UESJHZAA

CSC G991U1OWAJHZAA

Changelist 30959686

Size 8076209440 bytes (approx. 7.5 GB)

Samsung Galaxy S21 5G (SM-G991U1) Android 15 Firmware (G991U1UESJHZAA) – PCT | SamFrew