Security experts and community forums like Reddit’s SetupApp warn that 99% of tools claiming to unlock iCloud via IMEI alone are .
iCloud Bug IMEI Unlocker V2.0: The Truth Behind Free Downloads
A common tactic involves letting you download the tool for free, but then requiring a "processing fee" or "server access fee" to actually complete the unlock. Once you pay, the service disappears.
The "lock" you see on your screen is not actually a file on your phone; it is an entry in an residing in Apple's data centers.