audioOS 9.9.15.4 (19L6440) for HomePod mini ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date March 14, 2022 Upload Date March 1, 2022 Filename 8a32f20bfbca5978223ab0cb09b76ae8b92538cf.zip Filesize 1.9 GiB Identifier AudioAccessory5,1
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