watchOS 4.1 (15R5843a) 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 October 16, 2017 Upload Date October 12, 2017 Filename 6dbcdb5dc415c4f890e4153bd51d98ad6425cd8a.zip Filesize 1.1 GiB Identifier Watch2,7
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