watchOS 5.3 (16U569) 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 July 22, 2019 Upload Date July 16, 2019 Filename f1da89e86bac6598610ccbb4515c68f32cf6e8e9.zip Filesize 1.3 GiB Identifier Watch3,1
All information on these pages is automatically updated. When you click on any Apple Software link on
the site, you are redirected to an Apple server. We do not (and never will) mirror these files. All trademarks are the property of their respective owners. IPSW Downloads is not affiliated with Apple Inc.
© 2026 IPSW Downloads
This page was last modified at 1:25:21 pm UTC on Monday, April 6, 2026 and built at 10:20:08 am UTC on Sunday, April 19, 2026.