OTA firmwares cannot be restored to. IPSW Downloads collects them for potential future use. They might also be useful if you're doing research.
| ✗ | Apple Watch Series 5 (44mm, LTE) | watchOS 6.0.1 (17R604) | September 30, 2019 | 1.4 GiB | 4244ab9520bb0a5bd60e0ef6bf1aee2d3c6c2580.zip |
| ✗ | Apple Watch Series 5 (40mm, LTE) | watchOS 6.0.1 (17R604) | September 30, 2019 | 1.4 GiB | a3392a77968d52e74c8942f5d55fe511d19bde59.zip |
| ✗ | Apple Watch Series 5 (44mm) | watchOS 6.0.1 (17R604) | September 30, 2019 | 1.3 GiB | d774aaded4d821d1d95a9f862647ca9859c96b95.zip |
| ✗ | Apple Watch Series 5 (40mm) | watchOS 6.0.1 (17R604) | September 30, 2019 | 1.4 GiB | 63019de9342b53d941d221fad18568db0451675e.zip |
| ✗ | Apple Watch Series 4 (44mm, LTE) | watchOS 6.0.1 (17R605) | September 30, 2019 | 1.4 GiB | b156d2141a9eb52ec77b9b646855886c10cdd252.zip |
| ✗ | Apple Watch Series 4 (40mm, LTE) | watchOS 6.0.1 (17R605) | September 30, 2019 | 1.4 GiB | 1c37f06b5ede52f4f88bb1c8d0572d7fe271784a.zip |
| ✗ | Apple Watch Series 4 (44mm) | watchOS 6.0.1 (17R605) | September 30, 2019 | 1.3 GiB | 0d3bc1954d8a5661cd78a461f1a3bbde1ce80fdb.zip |
| ✗ | Apple Watch Series 4 (40mm) | watchOS 6.0.1 (17R605) | September 30, 2019 | 1.4 GiB | 28cf070e7d0e39e720154c576f355841d68bbf20.zip |