Most FRPFile tools require the device to be in a Jailbroken state (using Checkra1n or Palera1n) before the ECID can be authorized.
Yes, but each unique ECID must be submitted individually. To give you the most accurate advice, could you tell me: What model of iPhone or iPad are you using? What is the iOS version currently installed? register ecid frpfile
The ECID (Unique Chip ID) is a vital component for bypassing Factory Reset Protection (FRP) and iCloud Activation Locks on iOS devices. If you are using tools like FRPFile to bypass restrictions on an iPhone or iPad, your device's ECID must be recognized by their database. Most FRPFile tools require the device to be
