tvOS 11.2.5 (15K5539b) 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 20, 2017 Upload Date December 14, 2017 Filename ca6dd919c5c98739edb80afa5232444a59b9511f.zip Filesize 1.4 GiB Identifier AppleTV6,2
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