The tool works without needing a rooted device or physical USB jig in most cases.
As of late 2024 and into 2025, Samsung’s One UI 6 based on Android 14 has significantly hardened FRP. The exploit used in v143 relies on a CVE (Common Vulnerabilities and Exposures) that Samsung patched. Consequently, samfirm aio v143 by mahmoud salah is samsung frp tool free