watchOS 6.1 (17S5083a) 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 October 23, 2019 Upload Date October 21, 2019 Filename cee163b64e7a3311209294af76d044a59e3da5b4.zip Filesize 1.4 GiB Identifier Watch4,1
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