tvOS 13.3.1 (17K5775c) 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 December 17, 2019 Upload Date December 13, 2019 Filename 487005b85becd7d12cc398fd008ce56a94f8a822.zip Filesize 1.9 GiB Identifier AppleTV6,2
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