watchOS 4.2 (15S5100a) 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 13, 2017 Upload Date November 10, 2017 Filename 5e631e2c81ebf6d4ea6b5cd2fe5a4cb4503d2547.zip Filesize 1.1 GiB Identifier Watch2,7
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