watchOS 5.3 (16U5537b) for Apple Watch Series 3 (42mm, 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 May 28, 2019 Upload Date May 23, 2019 Filename 1aa21a2e7f2b3759a525c79d9a9564251cdb7c3a.zip Filesize 1.3 GiB Identifier Watch3,2
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