Try this URL, but it is subject to change, so try to use it soon…
If that link doesn’t work, then there is something wrong with the downloader app (cache issue?) or your connection.
As a last resort, use the above link to download the APK into your phone or desktop computer using a regular browser app and sideload the APK.
When all is said and done, I now have 3 safety dots on my firestick, well one is a square The original safety dot that wants us to subscribe still works. Yes it will shut off but seems to last a very long time. You just click and it’s back. I can almost see the screen for all the dots.