hey guys if im posting in wrong section, I apologize... I just bought this 4k ultra HD T.V Box that i used for about a day...i was watching and it just went to no signal...now i tried tooth pick method and have searched all day for firmware for this particular brand with no luck...cause im thinking the firmware has got stuck or something to that nature....if anyone can help me figure this out i would appreciate it....i have changed HDMI ports , left it unplugged, tooth pick method....i was gonna try to find firmware put it on usb as iso filke to see if it will pick it up and run with it....any help, thanks.