A:AnswerThe web browser for this television does not support flash applications. This television supports applications available in the Vewd App Store. If you have any questions, please call us at 1-888-935-8880.
A:AnswerNot sure about Amazon but Netflix does NOT stream in HD in the TV's built-in app. Chromecasts and Rokus that support HDR play HDR content on the TV OK.
A:AnswerYour cable provider must support 4k video resolution, make sure it is plugged into the 60hz port which is hdmi 1 i think.
With netflix you have to upgrade your subscription which is 4 tv's minimum with ultra hd and still only certain content is available in uhd. the t.v. automatically sets the resolution.
A:AnswerShort answer you will need a streaming device as the built in smart apps and app store are limited and are missing apps like CBS All Access, Hulu, etc..