Registering an iPhone's ECID is typically done to save "blobs" (SHSH2 blobs) for downgrading or future jailbreaking purposes, or to add a device to a developer account for beta testing.
Note: Some specialized bypass tools (e.g., iBoy Ramdisk) require you to register your ECID with their server to obtain free or paid credits, as mentioned in community discussions . Important Considerations register ecid iphone new
Because the ECID is a low-level hardware identifier, it is not found in the standard iOS Settings app. You must use a computer to retrieve it. On Windows (using iTunes) Connect your iPhone to your computer using a USB cable. Registering an iPhone's ECID is typically done to
Never share your ECID publicly. While not directly usable to hack your device, it is associated with your specific device's hardware identification. You must use a computer to retrieve it