tvOS 12.1 (16J5602a) for Apple TV 4 (2015) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date October 22, 2018 Upload Date October 17, 2018 Filename 3443588d8226bec74a13f166b86ea8e18b16d9eb.zip Filesize 1.4 GiB Identifier AppleTV5,3
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