I have the same trouble, just wasted my time trying to figure out what I was doing wrong with A19 bulb setup. It will not stay ON longer than 1 minute when motion was detected even if you set it to 3 or 5 minutes. Even RING support cannot fix it - they told me to delete the RING app and reboot Iphone and reinstall app, same problem. Probably a firmware fix will do but at this time NO release date yet.
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