HomeKit issues after iOS 18.4 update

IOS 18.4 messed up HomeKit for several of my smart bulbs, scenes, automations. One bulb just disappeared, one bulb was "not responding". Automation times were changed to previous start times from months ago & I could not change them back, could not delete the automation times. I tried to add a new scene and it didn't work. I powered off/on HomePod(2nd gen), iPad(M2), iPhone(14 ProMax), iMac(M3), MacBook(M2), Apple TV and tried again. No luck - Nothing worked and the "chat" rep wants me to call a "tech" rep.


I created a "new" home on HomeKit and was able to add one of the smart bulbs that stopped working & didn't reset/work for the "old" home! What did Apple break?


I can't be only person with this issue!



[Re-Titled by Moderator]

iPhone 14 Pro Max, iOS 18

Posted on Apr 4, 2025 5:38 PM

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Apr 8, 2025 9:27 PM in response to wstanfill

I'm also having issues with ios 18.4 beta and Homekit . Schlage Encode Plus that use to work with iphone or ultra watch ii 11.4 keeps show "No Response" in Home App. It's a royal pain. I've tried reloading and after spending 4 plus hours i can only get my iphone 15 pro working to open the garage entry door. The other to "guest" are a not go.

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Apr 26, 2025 3:51 AM in response to wstanfill

Similar situation here. Looks like a 18.4.1 update, but an identical thing happened about a month ago. Half of my Home accessories and all automations are gone. In my Home app and there was a HopePod setup window (as if I just installed it) asking me to allow Siri with Personal Requests. What’s going on at Apple??

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Apr 26, 2025 9:19 AM in response to pcaa

Are you referring to “Home Hubs & Bridges”?


if so yes, I see mine is set to automatically select which may get a little weird during an update period when I have 2 Apple TVs. And 6 HomePods updating…


at the moment I see my living room Apple TV is selected which is not always on, but close to my router and has a strong connection.


I assume better to have Apple TV be access point over a HomePod but that purely a guess. I appreciate the lead.

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HomeKit issues after iOS 18.4 update

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