tvOS 12.3 (16M5117f) 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 March 27, 2019 Upload Date March 21, 2019 Filename d53e640c54c3bcb7381e466c28fb64450746ff2f.zip Filesize 1.4 GiB Identifier AppleTV5,3
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