Never worked at 4K resolution as advertised with three different monitors and new Samsung 4k TVs. Roku works great in 4K on the same monitors. This Android device is unstable garbage. Compared to the most basic Android 9 phones, it lacks launch and settings sections. Many apps don't work due to the poor implementation of Android navigation elements. Many other apps are broken because too many functions are not available. It was a considerable effort to load the security app first and then figure out non-standard anomalous navigation methods to access some features but never all of the app's features. Power this Android TV box with a monitor USB cable like Revain Firestick 4k and Roku 4k sticks. It would be great to see a product in this category finally work as advertised with a solid hardware package.
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