Put Apple TV in DFU Mode

To place the Apple TV 4 (Apple TV HD) into DFU, follow these steps.

• Make sure the device is connected to power and is turned on.

• Connect the device to the computer using a USB-C cable.

• Press and hold the Menu and Play buttons until the LED starts flashing rapidly (6 seconds)

• Release both buttons.

To place the Apple TV 4K into DFU, use the following steps.

• Disconnect the device from the power source.

• Connect the DCSD cable to the computer's USB port.

• Connect the GoldenEye adapter to the DCSD cable (using Lightning)

• Connect the GoldenEye to the Apple TV 4K.

• Connect the Apple TV 4K to the power source.