watchOS 5.2.1 (16U5101c) for Apple Watch Series 1 (38mm) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date April 22, 2019 Upload Date April 19, 2019 Filename 986cccec0f55149852fa3e4ba53f119838278bf0.zip Filesize 1.3 GiB Identifier Watch2,6
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