audioOS 9.9.15.4.1 (19L452) for HomePod ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date March 31, 2022 Upload Date March 24, 2022 Filename 478719d394f6de3e9a526e4bf4b44e904745d82a.zip Filesize 1.9 GiB Identifier AudioAccessory1,1
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