For some reason I’m unable to install third party apks on my Sony ATV any more.
I’ve tried turning off the Verify Apps toggle in the Settings > Security & restrictions menu.
However turning it off seems not to “stick”.
When I try to install any apk, the install button is grayed out. I’ve found the way around that, but then a pop up saying “Google Play Protect” comes up asking to allow the apk to be installed. Clicking on the Allow button does nothing. At that point the TV stops responding to any key other than the Back button.
Is there any way to disable this Play Protect?
I'm not at home right now, but there is a trick to this. If I remember correctly, you have to press and hold the Home button on the remote to bring up the task switcher, and then go back into whatever File Explorer you're using. The Install button will be enabled then.