watchOS 6.1 (17S5083a) for Apple Watch Series 5 (40mm) ✗ 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 October 23, 2019 Upload Date October 21, 2019 Filename a6027c5354d8e92272531704b5df92a41646230d.zip Filesize 1.4 GiB Identifier Watch5,1
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 1:25:57 pm UTC on Monday, April 6, 2026 and built at 10:20:16 am UTC on Saturday, April 18, 2026.