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Audio sync problem with multiple HomePod after update to IOS18

Why do all my Homepods play the same music at different times after updating to IOS18? It doesn't happen in IOS17! There are more than 5 Homepods in my place. After I started to play for a while, maybe 3-5 songs, the audio does not sync anymore! It does like the delay time is a mess with the system!

HomePod, 18

Posted on Sep 20, 2024 1:21 AM

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Posted on Sep 20, 2024 3:45 AM

Same here after iOS18 and HomePod OS18. Located in Austria/Europe! And sometimes a crack in one of the speakers. Four HomePods 1st gen in use.

21 replies

Sep 22, 2024 8:00 PM in response to EmmetPratt

Yes Same here I just spent all weekend rebuilding my HomePod network after this update broke the Sync - only to find it made absolutely no difference!! OS18 definitely the culprit- was fine before - even tried turning if lossless and Atmos but no change. I can live with slow Siri- but music not playing in sync literally defeats the point of having these speakers!

Oct 7, 2024 4:45 PM in response to Chadlien

have a pair of HomePod mini (gen 2) as default audio pair on AppleTV 4K (gen 1) all running iOS / tvOS public betas. I also have a gen 1 HomePod which I like to use as a “bass extension” for the pair of minis.


Playing the gen 1 HomePod alone, no problems. Playing gen 1 and gen 2 HomePods at the same time, the gen 1 gets further and further out of sync and soon the gen1 starts making horrible “BUUU.UUU.UUUUUUU.PPPPP.PPP” farty noises.

disconnect the gen 2 HomePods, gen 1 sounds as good as new.

Audio sync problem with multiple HomePod after update to IOS18

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