A:AnswerHonestly it depends on who your internet service provider is. The update speed is a bit slow when you first set it up but gets faster with each update.
A:AnswerThe only smart TV's currently supported is Samsung. A physical Roku box or an Xbox One is required to stream if streaming from a device. A Charter modem is required to stream to aforementioned devices.
A:AnswerYou should be able to shut off the backlight buy used going into your programing guide. It doesn't work my only suggestion would be to get a hold of The Geek Squad I'm sure they know how to do it I haven't had that problem sorry I couldn't be more help.