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Samsung Galaxy S21 5G (SM-G991U1) Android 15 Firmware (G991U1UESGHYF1) – TMK | SamFrew

Home / Firmware / SM-G991U1 / TMK

Firmware G991U1UESGHYF1

Device Galaxy S21 5G

Model SM-G991U1

Region TMK

OS Android 15

Release Date 6/12/2025

Upload Date 6/26/2025

PDA G991U1UESGHYF1

CSC G991U1OYMGHYF1

Changelist 30959686

Size 8152782256 bytes (approx. 7.6 GB)