(Title viaApple insider)
Bradley believes that the lighting port can be used to access Apple TV4KFirmware, want to this streaming media set-top box launch jailbreak friends, might as well start from this aspect.
Apple cleverly hides external access to lighting contacts through a sliding half bar on the back of the Ethernet port. Move the door panel up to reveal a set of pins, but it looks like a special connector is needed.
Steven Troughton Smith, a developer, thinks Apple will use lightning pins to debug its hardware. After all, looking back, it's not the first time the company has done so.
Apple, for example, removed the Apple Watch's data port from the slot that houses the strap, but it's not clear how to do a similar thing with the Apple TV 4K set-top box.