It is important to distinguish this mobile servicing "SAM Lock" tool from the discontinued Windows . The Windows utility was used to encrypt the Security Account Manager database on older Windows NT systems but was removed in 2017 due to security vulnerabilities and its frequent use in tech support scams. If you'd like, let me know: The specific Samsung model you are working with. The Android version currently installed.

or unlocking bootloaders on modern Samsung security patches. Key Features & Updates FRP Bypass

This is the most significant change. The 'new' workflow allows both tools to run via a single driver pack. Technicians can now use NCKReader to read the device's firmware, and SamLock to automatically fetch the unlock certificate, all within one dashboard.

It’s widely used by technicians because it supports many Samsung models (from older A/J series to newer S and Note series) via USB or ADB.

While these tools are essential for legitimate repairs, it is important to ensure you have authorization to unlock a device. Always back up your data before performing any flashing or unlocking, as these processes often involve a factory reset that erases all user information.