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1. Connect the device (in Hello mode) to a Windows computer.
2. Check device compatibility using the HFZ tool’s “support check” feature.
3. Add the serial number if the device is supported.
4. Start activation, after which the device may reboot and open to the home screen.
5. Some users report that App Store and notifications work, but iCloud login remains unavailable.
https://mega.nz/file/hLNCGBDK#FWurBJwT6Q-8qqo73GYufHcdZKGz8QmYFYRlYGiswfE