Please note: 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 5.3.8 (16U680) | 15th July 2020 | 1.4 GB | 9acb94ff364f7b28e8e80a0a967aa0291ea284b2.zip |
| ✗ | watchOS 5.3.7 (16U674) | 18th May 2020 | 1.4 GB | 29fcf92ee6503a7a1999425ead6c2e32200c7709.zip |
| ✗ | watchOS 5.3.6 (16U662) | 24th March 2020 | 1.4 GB | d1d2c2320b76c11282a9d62d24c3797afba02fb8.zip |
| ✗ | watchOS 5.3.5 (16U652) | 18th February 2020 | 1.4 GB | 60354155fff1213c8eb8f51a375ec709a51e4a5c.zip |
| ✗ | watchOS 5.3.4 (16U627) | 10th December 2019 | 1.4 GB | e47845b9ea6f9c37083d83b42dc41bf286ee2ea6.zip |
| ✗ | watchOS 6.1.1 (17S5433b) | 5th November 2019 | 1.5 GB | 115d8c3e4f8e726e3548d82a880b756b26f33229.zip |
| ✗ | watchOS 6.1 (17S5083a) | 23rd October 2019 | 1.5 GB | cee163b64e7a3311209294af76d044a59e3da5b4.zip |
| ✗ | watchOS 5.3.3 (16U620) | 29th October 2019 | 1.4 GB | 13686c2f3e6bc077da5381abd9cbe446b0d6fa8b.zip |
| ✗ | watchOS 6.1 (17S5076a) | 16th October 2019 | 1.5 GB | fb42725667486d84dfe31f5eb161d4a74a460016.zip |
| ✗ | watchOS 6.1 (17S5068e) | 10th October 2019 | 1.5 GB | 1520d44beced8d1995a4fdc3d64a7faab6b5fa44.zip |
| ✗ | watchOS 6.1 (17S5059e) | 2nd October 2019 | 1.5 GB | 8cab09af2f924a9afe878dc5058ad6c0c52638c6.zip |
| ✗ | watchOS 6.0.1 (17R605) | 30th September 2019 | 1.5 GB | 28cf070e7d0e39e720154c576f355841d68bbf20.zip |
| ✗ | watchOS 6.1 (17S5054e) | 23rd September 2019 | 1.5 GB | 4d4ff2b0c2c9fe515403f82c10eb3c4dcfc682c9.zip |
| ✗ | watchOS 5.3.2 (16U611) | 9th October 2019 | 1.4 GB | fbafa4a85e91d3cfe7e2fd60278aea80d0c8fff4.zip |
| ✗ | watchOS 6.0 (17R6575) | 11th September 2019 | 1.5 GB | e7ff69fd5392c8f319923cb14fde2500001d7e46.zip |
| ✗ | watchOS 6.0 (17R575) | 11th September 2019 | 1.5 GB | e7ff69fd5392c8f319923cb14fde2500001d7e46.zip |
| ✗ | watchOS 6.0 (17R5575a) | 27th August 2019 | 1.5 GB | 6a57bba90e0f7e1bc7e5e39540d8d983ee18b83d.zip |
| ✗ | watchOS 5.3.1 (16U600) | 26th August 2019 | 1.4 GB | 83f1a5e427cecd48119de3e87c08ea37899fb4c0.zip |
| ✗ | watchOS 6.0 (17R5571a) | 21st August 2019 | 1.5 GB | 7724f6401257b3a7408f2fbfcd4d7280ac451d1e.zip |
| ✗ | watchOS 6.0 (17R5566a) | 15th August 2019 | 1.5 GB | 80ee6b2db96ec58b6037e2dd48199fe36a0c6a6f.zip |
| ✗ | watchOS 6.0 (17R5556d) | 7th August 2019 | 1.5 GB | 2b42ba7d5880c0a99b0ad55d5d2f5a39281848b1.zip |
| ✗ | watchOS 6.0 (17R5546f) | 30th July 2019 | 1.5 GB | cd8b257eac112e136345bffb4dbdbc4b3287fe91.zip |
| ✗ | watchOS 5.3 (16U569) | 22nd July 2019 | 1.4 GB | 21849453ae26c4caed6b227f0be5f02986a9152d.zip |
| ✗ | watchOS 6.0 (17R5532f) | 17th July 2019 | 1.5 GB | 9bccd37cfa5c62f7b8b3202051c131dc19ab0d1f.zip |
| ✗ | watchOS 5.3 (16U5569a) | 16th July 2019 | 1.4 GB | b707164101b9531cdfb0d09933215b5142ef01d3.zip |
| ✗ | watchOS 5.3 (16U5566a) | 9th July 2019 | 1.4 GB | 32baabbaa4e9636a04242906028b8ffdfee9becf.zip |
| ✗ | watchOS 6.0 (17R5521e) | 2nd July 2019 | 1.5 GB | 21110cc88d59015a9ae6dd29a917b38632cd0a96.zip |
| ✗ | watchOS 5.3 (16U5558b) | 24th June 2019 | 1.4 GB | 619dd8fb28f75ee8d311ef7c827cbb760b48c13e.zip |
| ✗ | watchOS 6.0 (17R5507l) | 17th June 2019 | 1.5 GB | 00b15496dcff15c952d803b742c8e08fd2b552a2.zip |
| ✗ | watchOS 5.3 (16U5545c) | 11th June 2019 | 1.4 GB | 697944fbe41106eec7c165ce0eaabf5dedef05b5.zip |
| ✗ | watchOS 6.0 (17R5491t) | 3rd June 2019 | 1.5 GB | a427b1a666ea759bb2fbcf4584156fc632bdb485.zip |
| ✗ | watchOS 5.3 (16U5537b) | 28th May 2019 | 1.4 GB | 32b6c4a0ca87ffadcb9c5a392625e3861d7c44a4.zip |
| ✗ | watchOS 5.3 (16U5526f) | 15th May 2019 | 1.4 GB | 680aff9cf9a126008bd929105dd0d0c867d81ec5.zip |
| ✗ | watchOS 5.2.1 (16U113) | 13th May 2019 | 1.4 GB | d7eb0dfb38f3afd706dc919442c771bb7d515f30.zip |
| ✗ | watchOS 5.2.1 (16U5113a) | 7th May 2019 | 1.4 GB | c303b6e7dd1075e4caf027c91ea1cd4d408eac12.zip |
| ✗ | watchOS 5.2.1 (16U5110a) | 29th April 2019 | 1.4 GB | 1d1d22a72bf770b38a9d138dcfd5edc78af267c5.zip |
| ✗ | watchOS 5.2.1 (16U5101c) | 22nd April 2019 | 1.4 GB | 54767a5834932b2a050f1291baf6de81ba8c3ad3.zip |
| ✗ | watchOS 5.2.1 (16U5091b) | 8th April 2019 | 1.4 GB | 694602c6fc574c77b61a0f45d9f54e79248497e9.zip |
| ✗ | watchOS 5.2.1 (16U5079d) | 28th March 2019 | 1.4 GB | b069a58ed20583b04cb1f91c2a4415c01c3e6f0e.zip |
| ✗ | watchOS 5.2 (16T6225) | 27th March 2019 | 1.4 GB | 533abba3d7f3a6bff3d7953d3ae50ae26de46be9.zip |
| ✗ | watchOS 5.2 (16T225) | 27th March 2019 | 1.4 GB | 533abba3d7f3a6bff3d7953d3ae50ae26de46be9.zip |
| ✗ | watchOS 5.2 (16T5225a) | 18th March 2019 | 1.4 GB | e01457318fcf872cf6c745fb86aa2bba4d60123f.zip |
| ✗ | watchOS 5.2 (16T5222a) | 11th March 2019 | 1.4 GB | 34c829e7e6baed9f4856824c8b78fa70bb4a4ab4.zip |
| ✗ | watchOS 5.2 (16T5212e) | 4th March 2019 | 1.4 GB | 875bb8ffe37b7ce8aaab1646b30ac6b2071931ad.zip |
| ✗ | watchOS 5.2 (16T5201c) | 19th February 2019 | 1.4 GB | e8d35b78bbacdc5737c2e9c978171f4733177239.zip |
| ✗ | watchOS 5.2 (16T5191d) | 4th February 2019 | 1.4 GB | 9618f2382ac8d21a6ec948d4d9aa674202e5fbf8.zip |
| ✗ | watchOS 5.2 (16T5181f) | 24th January 2019 | 1.4 GB | fb848b0e6fa114b52a1293b42a4617d63cf36853.zip |
| ✗ | watchOS 5.1.3 (16S535) | 22nd January 2019 | 1.4 GB | 5efa1b9d556d98b509434625501094453740b165.zip |
| ✗ | watchOS 5.1.3 (16S5535a) | 7th January 2019 | 1.4 GB | 53c0ea7bd7f8d44d6ad442a05e9b44dac9e1eb74.zip |
| ✗ | watchOS 5.1.3 (16S5531a) | 19th December 2018 | 1.4 GB | c0f641772ff95c77f3f6c143ea30ed27abcd7d14.zip |
| ✗ | watchOS 5.1.3 (16S5523a) | 10th December 2018 | 1.4 GB | 6ca24d7715d907e0a136fe1db9fc1055d1ea7ea0.zip |
| ✗ | watchOS 5.1.2 (16S46) | 6th December 2018 | 1.4 GB | 987aa08f88531844ceeb788438d17d553b413afd.zip |
| ✗ | watchOS 5.1.2 (16S5046a) | 15th November 2018 | 1.4 GB | a677c740eebbd41f24ea31d68ccf0a7d2e0acf94.zip |
| ✗ | watchOS 5.1.2 (16S5042a) | 7th November 2018 | 1.4 GB | 64ed6d5ba1b2af6f1fe29f28c9b234c72be2da46.zip |
| ✗ | watchOS 5.1.1 (16R600) | 5th November 2018 | 1.4 GB | a2758f834979f19d02579890284de9967cf361e3.zip |
| ✗ | watchOS 5.1 (16R591) | 30th October 2018 | 1.4 GB | 93d1f8f6c15d8e9d50d5836218497dcb1b96d6ca.zip |
| ✗ | watchOS 5.1 (16R5589c) | 22nd October 2018 | 1.4 GB | 3547c96155b115374dca8dddcf8faa101f343cbb.zip |
| ✗ | watchOS 5.1 (16R5584a) | 15th October 2018 | 1.4 GB | 44657e056d4bfdc5b69fa859e6b8991715a627b5.zip |
| ✗ | watchOS 5.1 (16R5577c) | 9th October 2018 | 1.4 GB | 98f28bcf15c7b0d98d1a156b203c075ea0f85c9e.zip |
| ✗ | watchOS 5.1 (16R5568d) | 2nd October 2018 | 1.4 GB | 979f0dc4512b9054559960653cfbc347aeab9bd9.zip |
| ✗ | watchOS 5.0.1 (16R382) | 27th September 2018 | 1.4 GB | 15303a8ec977513e1a9543707eeb20d7df1db581.zip |
| ✗ | watchOS 5.1 (16R5559d) | 18th September 2018 | 1.4 GB | e98c88e2202495103cfee7652e3e8773fccc78cc.zip |
| ✗ | watchOS 5.0 (16R364) | 12th September 2018 | 1.4 GB | b9e41f94bac29c19a23dfb87be450b03d184a01e.zip |