tvOS 12.3 (16M5117f) 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 March 27, 2019 Upload Date March 21, 2019 Filename c3129f7ff3778834adc98ec70597da195c9cee88.zip Filesize 1.6 GiB Identifier AppleTV6,2
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