OTA firmwares cannot be restored to. IPSW Downloads collects them for potential future use. They might also be useful if you're doing research.
| ✓ | watchOS 6.3 (17U216) | January 26, 2021 | 1.4 GiB | 94df61e66b4af2fed7cc69089de0b7cbd82856e8.zip |
| ✗ | watchOS 6.1.1 (17S5433b) | November 5, 2019 | 1.4 GiB | 350f0b07b5a4d48368a7101e83b8d59b859882a1.zip |
| ✗ | watchOS 6.1 (17S5083a) | October 23, 2019 | 1.4 GiB | 5ed94aa8ac3fd48cfe3e07885ac901edccd75240.zip |
| ✗ | watchOS 6.1 (17S5076a) | October 16, 2019 | 1.4 GiB | eb577012797ec8afe74ffff5fdc96c863382c7eb.zip |
| ✗ | watchOS 6.1 (17S5068e) | October 10, 2019 | 1.4 GiB | 4f1cc7be6d82d33a943f9ca37e8a29c7a0967f5e.zip |
| ✗ | watchOS 6.1 (17S5059e) | October 2, 2019 | 1.4 GiB | 3ae360a06d6156272e8587d90467e8fc5ec3e538.zip |
| ✗ | watchOS 6.0.1 (17R604) | September 30, 2019 | 1.4 GiB | 4244ab9520bb0a5bd60e0ef6bf1aee2d3c6c2580.zip |
| ✗ | watchOS 6.1 (17S5054e) | September 23, 2019 | 1.4 GiB | 0763de32d8abfc330624aae705592000f7d7a83a.zip |
| ✗ | watchOS 6.0 (17R575) | September 11, 2019 | 1.4 GiB | 82f6849cbcd0d60f2789d6bdc0a291433d79f187.zip |