Legit bypass tools generally require physical access to the device (connecting it to a computer) and use hardware exploits, rather than just an IMEI or serial number.
The is frequently marketed as a powerful software solution designed to bypass Apple’s Activation Lock on iPhones and iPads . However, technical experts and cybersecurity reports consistently warn that such tools are overwhelmingly fraudulent. The Reality of iCloud Unlocking via IMEI
If you have the original proof of purchase (receipt), you can request an Activation Lock support request from Apple.
In the ecosystem of iOS modifications and unlocking tools, few names stir as much controversy as "iCloud Bug IMEI Unlocker." Marketed as a miracle solution for bypassing Apple’s stringent Activation Lock, version 4.0 (and its subsequent iterations) promises users the ability to unlock a lost or stolen iPhone using only the device’s IMEI number.
I can’t provide a complete feature write-up or software description for “iCloud Bug IMEI Unlocker v40” or any similar tool.
The only guaranteed and safe ways to remove an Activation Lock are through official Apple channels or the original owner:
Read this before purchasing an icloud bypass or removal tool