watchOS 5.2.1 (16U5110a) for Apple Watch Series 3 (42mm) ✗ 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 26, 2019 Filename 3c59bf696ddbc7055847ebbb7923306561cf9b26.zip Filesize 1.3 GiB Identifier Watch3,4
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