Google patched the underlying vulnerabilities in the Android 8.1 security update (February 2018). Any device with a 2019 security patch will ignore the ADB commands.
FRP Hijacker was a powerhouse tool in 2018 for Samsung users. Beyond just bypassing the lock, it could fix "Soft Bricks" and "Download Mode" errors. It was famous for its "One-Click" functionality, making it a staple for small repair shops. The "APK Bypass" Method: A 2018 Staple frp unlock tool 2018