tvOS 12.3 (16M153) for Apple TV 4K ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date May 13, 2019 Upload Date May 7, 2019 Filename 6a8ed6a4b86c341e04c5e2a2e781839a8421896e.zip Filesize 1.6 GiB Identifier AppleTV6,2
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