watchOS 6.0 (17R5566a) for Apple Watch Series 4 (44mm, 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 August 15, 2019 Upload Date August 13, 2019 Filename d92636a486bb35356eb93744a2ff75d65e06baad.zip Filesize 1.4 GiB Identifier Watch4,4
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