tvOS 12.3 (16M5129d) for Apple TV 4 (2015) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
potential future use. They might also be useful if you're doing research.
Release Date April 8, 2019 Upload Date April 4, 2019 Filename 3ef6ec703639923814a8e9854c4430a1e69132eb.zip Filesize 1.4 GiB Identifier AppleTV5,3
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