In the real world, is a security feature designed by Apple to deter theft. "Bug unlockers" and "IMEI changers" are frequently vectors for:
There is no version 1.0, 2.0, 3.0, or 4.0 of any "iCloud bug IMEI unlocker" officially released by Apple or any legitimate security researcher. So-called "bug unlockers" exploit temporary system vulnerabilities—but Apple patches these rapidly in iOS updates. By the time a "v4.0" appears, the bugs are usually fixed. icloud bug imei unlocker v4.0
This tool is fictional. Real iCloud locks require Apple’s official removal or proof of purchase. Do not download similar "unlockers" from untrusted sources — they often contain malware. In the real world, is a security feature