The Apple TV 4K (2021) is a device designed by the American company Apple which allows communication between a smartphone, or a computer, and a television. It has been available since the end of March 2007 in its first version. The device then resembles a Mac mini in shape, although it is only half the height. It communicates via wireless network or Ethernet, with an iOS device or with a computer (under Mac OS possibly an audio-video amplifier.
- Apple TV 4K (2021) Firmwares Still Not Signed.