tvOS 12.3 (16M5146a) 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 April 29, 2019 Upload Date April 25, 2019 Filename 24ee4e2a023108a85b1e9dfafede70d69c09fa3c.zip Filesize 1.6 GiB Identifier AppleTV6,2
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