tvOS 12.1.2 (16K5532a) 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 December 19, 2018 Upload Date December 18, 2018 Filename 49cd68170c9fcf80b2c7d8a6192474b78aa91663.zip Filesize 1.4 GiB Identifier AppleTV5,3
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