How To [How To] 4K and Full HD support for Android 7 TV Box lc-root | April 26, 2020 Lets configure Z28 Android 7.1.2 TV Box to watch 4K and Full HD videos. Add following configuration into BuildProp. sys.display-size=3840×2160 – For 4K sys.display-size=1920×1080 – For Full HD Read More