To understand why this does not work, one must understand what a .plist file is and how Activation Lock functions.
As news of the iCloud unlock method spread, Apple's security team took notice. They quickly issued a statement warning users about the potential risks of using unauthorized plist files, which could compromise device security and potentially lead to data breaches.
Websites claiming to offer a "plist" or "magic file" to unlock iPhones often use these as fronts for: