watchOS 5.2.1 (16U113) for Apple Watch Series 4 (40mm, LTE) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date May 13, 2019 Upload Date May 6, 2019 Filename 8b47b72fac8d2f8b6cf2eeb074c6c2385a2ca208.zip Filesize 1.4 GiB Identifier Watch4,3
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