watchOS 6.1 (17S5054e) for Apple Watch Series 4 (40mm, LTE) ✗ 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 September 23, 2019 Upload Date September 20, 2019 Filename 8dc53db87e96ee4a8fe3bf8787ad074ad8e789e4.zip Filesize 1.4 GiB Identifier Watch4,3
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