watchOS 6.0 (17R5575a) for Apple Watch Series 4 (40mm) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
potential future use. They might also be useful if you're doing research.
Release Date August 27, 2019 Upload Date August 23, 2019 Filename 6a57bba90e0f7e1bc7e5e39540d8d983ee18b83d.zip Filesize 1.4 GiB Identifier Watch4,1
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