Choose an OTA for the Apple Watch Series 4 (44mm)
OTA firmwares cannot be restored to. IPSW Downloads collects them for potential future use. They might also be useful if you're doing research.
Signed OTAs
| ✓ | watchOS 5.3.10 (16U711) | March 24, 2026 | 1.3 GiB | e6e527a49b7dfd6bd40c67a2642723e8928c200d.zip | Download |
| ✓ | watchOS 6.3.1 (17U224) | February 2, 2026 | 1.4 GiB | dacc4b1b4ce2b2ba2ca19a157c9334d82116f763.zip | Download |
| ✓ | watchOS 5.3.9 (16U693) | November 5, 2020 | 1.3 GiB | 699b56b078c1203c668ad4b2cec58872dd82884c.zip | Download |
Unsigned OTAs
| ✗ | watchOS 6.3 (17U216) | January 26, 2021 | 1.4 GiB | c6f6c36bb8e0c7f7e9787f7c01beb20a0287c14f.zip | Download |
| ✗ | watchOS 5.3.8 (16U680) | July 15, 2020 | 1.3 GiB | 487dabb5547685412cae936ab4f0724af931050a.zip | Download |
| ✗ | watchOS 5.3.7 (16U674) | May 18, 2020 | 1.3 GiB | f63c059e0ae2bbc563efaf2d40fda34639e9126f.zip | Download |
| ✗ | watchOS 5.3.6 (16U662) | March 24, 2020 | 1.3 GiB | 3e3913a4b05f5bfdf24a913d71ab7b92e8eba92b.zip | Download |
| ✗ | watchOS 5.3.5 (16U652) | February 18, 2020 | 1.3 GiB | 60c09c93f6dc018bd826fa5ca7b066b1bc501179.zip | Download |
| ✗ | watchOS 5.3.4 (16U627) | December 10, 2019 | 1.3 GiB | ab50cc058bf47a97bbb5b85d77663f6a58dbaedc.zip | Download |
| ✗ | watchOS 6.1.1 (17S5433b) | November 5, 2019 | 1.4 GiB | 3dca05bf240eb55ead8504e5854593f3112ed7bd.zip | Download |
| ✗ | watchOS 6.1 (17S5083a) | October 23, 2019 | 1.4 GiB | b113bbcde62fdcc77b6fe3b21a5e0a6e773fed47.zip | Download |
| ✗ | watchOS 5.3.3 (16U620) | October 29, 2019 | 1.3 GiB | baa1a91e958da9211f757e1e471e714d3d836e19.zip | Download |
| ✗ | watchOS 6.1 (17S5076a) | October 16, 2019 | 1.4 GiB | 16d0387e0891ab487ae8199d2e192f109ea16ae1.zip | Download |
| ✗ | watchOS 6.1 (17S5068e) | October 10, 2019 | 1.4 GiB | b09ae0dce27d8e3cca2b411600d64e566bc2187e.zip | Download |
| ✗ | watchOS 6.1 (17S5059e) | October 2, 2019 | 1.3 GiB | 55d5823802a4f81bdb86d3ee39df2a13183a7160.zip | Download |
| ✗ | watchOS 6.0.1 (17R605) | September 30, 2019 | 1.3 GiB | 0d3bc1954d8a5661cd78a461f1a3bbde1ce80fdb.zip | Download |
| ✗ | watchOS 6.1 (17S5054e) | September 23, 2019 | 1.3 GiB | b7fe938251278abc467ab6a0ca49c74ef62acd22.zip | Download |
| ✗ | watchOS 5.3.2 (16U611) | October 9, 2019 | 1.3 GiB | 19e0129e2645334fee618f5e03cfa97a2674dfc9.zip | Download |
| ✗ | watchOS 6.0 (17R575) | September 11, 2019 | 1.3 GiB | 1c6ad051eb20c9e171f5cd56f4a9da05e34eca5f.zip | Download |
| ✗ | watchOS 6.0 (17R5575a) | August 27, 2019 | 1.3 GiB | 019766d51c695ec578dbb4e100af576a448e698a.zip | Download |
| ✗ | watchOS 5.3.1 (16U600) | August 26, 2019 | 1.3 GiB | aa857b151ac0805255ab832fb4c5b4aad4a4c655.zip | Download |
| ✗ | watchOS 6.0 (17R5571a) | August 21, 2019 | 1.3 GiB | 5758b67cf9676384d421c4e10c5518235d4a1a8d.zip | Download |
| ✗ | watchOS 6.0 (17R5566a) | August 15, 2019 | 1.3 GiB | 7e27ad4098eb213dbdf2bbcb25ac9f82fbedde11.zip | Download |
| ✗ | watchOS 6.0 (17R5556d) | August 7, 2019 | 1.3 GiB | 3375aa7daf1db71f353d5e40f4d6c1ccc948c1cd.zip | Download |
| ✗ | watchOS 6.0 (17R5546f) | July 30, 2019 | 1.3 GiB | 4c2cfc16f91a90414aab52ff74f2049ee39106f0.zip | Download |
| ✗ | watchOS 5.3 (16U569) | July 22, 2019 | 1.3 GiB | b76dab189a2772163ca7ed234c1ed35eafb207a1.zip | Download |
| ✗ | watchOS 6.0 (17R5532f) | July 17, 2019 | 1.3 GiB | 6524364517e4af864dd14d6fc43feaad7191f90d.zip | Download |
| ✗ | watchOS 5.3 (16U5569a) | July 16, 2019 | 1.3 GiB | fd844d6f60a32bf2cdaf501c6ddce3d8621c8236.zip | Download |
| ✗ | watchOS 5.3 (16U5566a) | July 9, 2019 | 1.3 GiB | d2386184f5898ab417211abf0ea3e6043f416e57.zip | Download |
| ✗ | watchOS 6.0 (17R5521e) | July 2, 2019 | 1.3 GiB | 22e7ad875a9cb65c7a507cc3292bfb49d80c8018.zip | Download |
| ✗ | watchOS 5.3 (16U5558b) | June 24, 2019 | 1.3 GiB | 942936badf195437486ed816713f2864f8f19479.zip | Download |
| ✗ | watchOS 6.0 (17R5507l) | June 17, 2019 | 1.3 GiB | 07eae6fec6a268a4c92b9b91b1fb08ffd0477026.zip | Download |
| ✗ | watchOS 5.3 (16U5545c) | June 11, 2019 | 1.3 GiB | a9dc7f54104661d6a4deda931b0b36c2d303c39e.zip | Download |
| ✗ | watchOS 6.0 (17R5491t) | June 3, 2019 | 1.4 GiB | dae1bcc21b31c9972e2f987bde133aa35c0234f2.zip | Download |
| ✗ | watchOS 5.3 (16U5537b) | May 28, 2019 | 1.3 GiB | 872cc3d54ce0b352dcaa62ac4e4e1afded099bb6.zip | Download |
| ✗ | watchOS 5.3 (16U5526f) | May 15, 2019 | 1.3 GiB | 6d30cd0284cd3a7b0a3060e1756243760a8241a3.zip | Download |
| ✗ | watchOS 5.2.1 (16U113) | May 13, 2019 | 1.3 GiB | d6a3d52b6bd1961a351445492389e538267e44d3.zip | Download |
| ✗ | watchOS 5.2.1 (16U5113a) | May 7, 2019 | 1.3 GiB | e5f567b5740d4126a0e5a625c7b2e6936f722d71.zip | Download |
| ✗ | watchOS 5.2.1 (16U5110a) | April 29, 2019 | 1.3 GiB | 1cf7fc2fabfe828c75bbc4072a7de8487c985b99.zip | Download |
| ✗ | watchOS 5.2.1 (16U5101c) | April 22, 2019 | 1.3 GiB | 7c7ef5820bf5a0608e035b340b66c52fa3bc081a.zip | Download |
| ✗ | watchOS 5.2.1 (16U5091b) | April 8, 2019 | 1.3 GiB | a53a17f6d98c322441cf41a0a87f1c72aba76773.zip | Download |
| ✗ | watchOS 5.2.1 (16U5079d) | March 28, 2019 | 1.3 GiB | 1996858ebe497af7b42faf3a413c35613f34bfa2.zip | Download |
| ✗ | watchOS 5.2 (16T225) | March 27, 2019 | 1.3 GiB | 3b775f90fdbfdc7262d794c7e5494418ab200cc6.zip | Download |
| ✗ | watchOS 5.2 (16T5225a) | March 18, 2019 | 1.3 GiB | 0c117a825160d8ef1564e6227e409b9943de799e.zip | Download |
| ✗ | watchOS 5.2 (16T5222a) | March 11, 2019 | 1.3 GiB | 0f80f79fb059522a4468c32da0ebae78b1767e12.zip | Download |
| ✗ | watchOS 5.2 (16T5212e) | March 4, 2019 | 1.3 GiB | db196d5551692cb0deefaa882e163c4471ba5d57.zip | Download |
| ✗ | watchOS 5.2 (16T5201c) | February 19, 2019 | 1.3 GiB | 284c66ad42c9a4fceda841a8e45be3ef7f1d4c10.zip | Download |
| ✗ | watchOS 5.2 (16T5191d) | February 4, 2019 | 1.3 GiB | 9c6b7f0036cfc0f9d095e11a900b901b4d8baef1.zip | Download |
| ✗ | watchOS 5.2 (16T5181f) | January 24, 2019 | 1.3 GiB | 8bf7ed88ad2154e56f32e0bac1850157ae2129ee.zip | Download |
| ✗ | watchOS 5.1.3 (16S535) | January 22, 2019 | 1.3 GiB | 4394a0b744b81d99db5feb6b12a19cfe3c4d2e4f.zip | Download |
| ✗ | watchOS 5.1.3 (16S5535a) | January 7, 2019 | 1.3 GiB | 8e1f17e917ac762b6daa4d631f494c20ac27b9d4.zip | Download |
| ✗ | watchOS 5.1.3 (16S5531a) | December 19, 2018 | 1.3 GiB | ddca40d08c5ad004ce49a9494241626c85dbb605.zip | Download |
| ✗ | watchOS 5.1.3 (16S5523a) | December 10, 2018 | 1.3 GiB | 40bd82b3eb066c1064ace547e5e218bafd0f789c.zip | Download |
| ✗ | watchOS 5.1.2 (16S46) | December 6, 2018 | 1.3 GiB | b90010ef5a81d0c5fee9cf11a62322d259063e5c.zip | Download |
| ✗ | watchOS 5.1.2 (16S5046a) | November 15, 2018 | 1.3 GiB | f18e6f098248a974b14571ea3b2837b6c7bea832.zip | Download |
| ✗ | watchOS 5.1.2 (16S5042a) | November 7, 2018 | 1.3 GiB | 0ee5f52d605295493d211c8c1d2c31a4150a7312.zip | Download |
| ✗ | watchOS 5.1.1 (16R600) | November 5, 2018 | 1.3 GiB | 49c96deb525ea2384836e0733335b0239fabd18f.zip | Download |
| ✗ | watchOS 5.1 (16R591) | October 30, 2018 | 1.3 GiB | fbc5252629bf2d0e93d89fc0bddd9490f2ccbc26.zip | Download |
| ✗ | watchOS 5.1 (16R5589c) | October 22, 2018 | 1.3 GiB | 1d98882361caa54b4186d044c6b9f289b93d45df.zip | Download |
| ✗ | watchOS 5.1 (16R5584a) | October 15, 2018 | 1.3 GiB | dff9e7e5a5d53f7c398ebebe6280235b58bad482.zip | Download |
| ✗ | watchOS 5.1 (16R5577c) | October 9, 2018 | 1.3 GiB | bd05a9a5827b9afec1a633d40e659c70062548fd.zip | Download |
| ✗ | watchOS 5.1 (16R5568d) | October 2, 2018 | 1.3 GiB | 2ea14543eaa2bb0473ab1bf21f5e76ef6e362a45.zip | Download |
| ✗ | watchOS 5.0.1 (16R382) | September 27, 2018 | 1.3 GiB | 9458d8e3c4b0893c9c65d35ef9ba4f359d3063a5.zip | Download |
| ✗ | watchOS 5.1 (16R5559d) | September 18, 2018 | 1.3 GiB | 7ad704ff12aac40d522b39e0cd41d98c62332bc0.zip | Download |
| ✗ | watchOS 5.0 (16R364) | September 12, 2018 | 1.3 GiB | 135db3372462974a8bac5045d419ddb2d15e4a82.zip | Download |
This page omits OTA downloads with version prerequisites. You can view these on this
API endpoint.