@kvaibhav39, but what are you trying to install? That "zip" you download from the developer page isn't a zip at all. It's just one of many things that Roku does that makes me shake my head. You need the original zip you sideloaded that was used to create the package that you uploaded when you updated your beta channel.
Use the "test" feature of your zip software to ensure the zip you're using doesn't have any errors.
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