Many bypasses resulted in a device that could not use cellular services (no SIM/calling), FaceTime, or iCloud services.

This feature provides an additional layer of security to protect user data on iOS devices.

If you have access to the account or proof of purchase, Apple provides legitimate ways to unlock your device: Via the Device > [Your Name] > Find My iPhone/Mac and toggle it by entering your Apple ID password. Via iCloud.com : If you don't have the device, sign in to the iCloud Find My portal, select the device, and choose Remove from Account Support Request

Scripts renamed or deleted Setup.app directly from the file system.

Uploading patched files or scripts to the device via SSH to bypass the Setup.app or modify activation records.