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 | 9a5c2f87dbdbe3a503ff5b1bc3ed527b2175ae7b.zip |
| ✗ | watchOS 6.1.1 (17S5433b) | November 5, 2019 | 1.4 GiB | 8cf6017531561c9491f682b947126bf966dfe7dd.zip |
| ✗ | watchOS 6.1 (17S5083a) | October 23, 2019 | 1.4 GiB | 999f313ee992d1ebe1cbf4cbf018c3b4cea2bdf2.zip |
| ✗ | watchOS 6.1 (17S5076a) | October 16, 2019 | 1.4 GiB | dd02083533041d64d88688418b70d3f3dabac809.zip |
| ✗ | watchOS 6.1 (17S5068e) | October 10, 2019 | 1.4 GiB | c7377072777161c61f3600caf753aaee0f572cb3.zip |
| ✗ | watchOS 6.1 (17S5059e) | October 2, 2019 | 1.4 GiB | 035f43af9e0dc3e464d76433eb2ab8ac6817cb96.zip |
| ✗ | watchOS 6.0.1 (17R604) | September 30, 2019 | 1.4 GiB | a3392a77968d52e74c8942f5d55fe511d19bde59.zip |
| ✗ | watchOS 6.1 (17S5054e) | September 23, 2019 | 1.4 GiB | 5d3fd43286eef272800d371579a006684fb5a3bc.zip |
| ✗ | watchOS 6.0 (17R575) | September 11, 2019 | 1.4 GiB | c696d4ebfbcdd365d3e79fcdfe2aab6ba0ab2f6c.zip |