KP200 outlets not working after latest firmware update

Third party integrations
1

I spent last weekend getting HA all set up and looking pretty. All my Kasa devices worked including switches, outlets, and plugs. Last night I noticed that there was a firmware update to the KP200 outlets (I have four of them). I did the update and now I can’t get the outlets to behave in HA (though they still work fine in the Kasa app and with Alexa). I tried deleting them but whenever I rediscover them it asks me for authentication which never works, even with the right credentials.

Again, the outlets work fine with other apps so I know they are okay. I have Kasa smart plugs (two) and they are playing nicely with HA but didn’t have that firmware update.

I tried using AI to help. About 8 hours later, having tried everything, I’m at a loss. I can fall back to using non-HA apps, but I really would prefer to have everything in one place in my dashboard. Any ideas?

2

Had the same problem with well-established HA connections/automations on KP200 outlets. Same as you, updated firmware and they all became unavailable in HA (persisting after reboots, etc.).

I ended up solving it by enabling “Third-Party Compatibility” in the Kasa app (Me --> Settings --> Third-Party Compatibility --> Enable) and almost immediately they started reconnecting in HA.

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