watchOS 4.0 (15R372) 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 September 12, 2017 Upload Date August 31, 2017 Filename 894b23d8aac91dce6945ff5aa53975a58a2a137c.zip Filesize 1.1 GiB Identifier Watch2,7
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