watchOS 4.2 (15S5102b) for Apple Watch Series 1 (42mm) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date November 17, 2017 Upload Date November 15, 2017 Filename 638d5f409f1b33e713ac3b704c51991fec0c010a.zip Filesize 1.1 GiB Identifier Watch2,7
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