If Amazon implemented such a system, it would instantly make their devices the hardest Android devices to develop for, which in turn, would surely kill their third-party app ecosystem. There are zero Android devices which use this approach. If Amazon removed sideloading, they would have to adopt Apple’s iOS approach for app development, which requires developers to register their devices for development with a proprietary system that controls which apps can and can’t be installed on the device. Yes, with software updates, Amazon can completely change any aspect of the Fire TV or Fire TV Stick, including the removal of sideloading.

Okay, but CAN Amazon block sideloading on the Fire TV or Fire TV Stick? It’s actually the opposite because they recently made sideloading easier with the 51.1.5.0 update by adding the ability to sideload over USB, in addition to the existing method of sideloading over a network connection. There is absolutely zero indication that Amazon is even considering the option to block sideloading.

Remember, Amazon provides their own official instructions on how to sideload apps onto Fire TV devices. Sideloading is currently the only way to test apps on ANY Android device for that matter. Simply put, Amazon will not block sideloading on the Fire TV or Fire TV Stick because sideloading is the only way for developers to test their apps on Fire TV devices. Will Amazon block sideloading on the Fire TV or Fire TV STick?

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