audioOS 9.9.11.4.1 (15G77) for HomePod (Unknown Model) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date July 9, 2018 Upload Date June 30, 2018 Filename 6f9390e2d026e27b8ed28120b20eeb5392bb366d.zip Filesize 2.7 GiB Identifier AudioAccessory1,2
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