watchOS 6.0 (17R5507l) for Apple Watch Series 4 (40mm, LTE) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date June 17, 2019 Upload Date June 15, 2019 Filename 2b4e8c7d52b2dc220da3135de5870e44102b268c.zip Filesize 1.4 GiB Identifier Watch4,3
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