audioOS 9.9.15.0 (19J6346) for HomePod ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date September 20, 2021 Upload Date September 7, 2021 Filename 1e54d198ea9bc9d8473f1fd90ca1ad222f5c0ffb.zip Filesize 2.0 GiB Identifier AudioAccessory1,1
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