I have a atv1800e android 4.4 , I had 1 problem with internet tv on a particular channel , video was choppy, updated to android 5.1 issue is gone super, but now rca output in back of tv box dosent work anymore black and white with noise and when i shut down box to sleep and return back on i have a black screen hdmi dosent power on i guess no sound unable to shut back down , i have to pull out power wire and replug then it boots ok.