watchOS 5.3 (16U5537b) for Apple Watch Series 3 (38mm, 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 8a79044718bb42afcffd13028733af9f046d5882.zip Filesize 1.3 GiB Identifier Watch3,1
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