The idea of "NCKReader Samlock" took off in the 2018-2020 era for one simple reason: Samsung phones were a nightmare to unlock. Between Google's increasingly aggressive Factory Reset Protection (FRP) and carrier-imposed network SIM locks, users were regularly locked out of their own devices.
This is where homebrew solutions emerged, and nckreader.com/samlock became a well-known resource in repair circles. Technicians would use the website to download a suite of free APK tools designed to bypass locks. For a while, this free method was a lifeline. nckreader samlock extra quality