Difference between revisions of "Firmware/Apple Watch/8.x"

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(Add 8.5)
(Fill in baseband versions for watchOS 8.5)
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| 19S55
 
| 19S55
 
| [[JupiterC 19S55 (Watch3,1)|Watch3,1]]
 
| [[JupiterC 19S55 (Watch3,1)|Watch3,1]]
| rowspan="3" | 6.20.01
+
| rowspan="4" | 6.20.01
 
| {{date|2021|12|13}}
 
| {{date|2021|12|13}}
 
| ?
 
| ?
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| 19T242
 
| 19T242
 
| [[JupiterE 19T242 (Watch3,1)|Watch3,1]]
 
| [[JupiterE 19T242 (Watch3,1)|Watch3,1]]
| ?
 
 
| {{date|2022|03|14}}
 
| {{date|2022|03|14}}
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13417/0A9164B9-6278-4203-9E83-3E5D9CF0CC38/Watch3,1_8.5_19T242_Restore.ipsw Watch3,1_8.5_19T242_Restore.ipsw]
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13417/0A9164B9-6278-4203-9E83-3E5D9CF0CC38/Watch3,1_8.5_19T242_Restore.ipsw Watch3,1_8.5_19T242_Restore.ipsw]
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| 19S55
 
| 19S55
 
| [[JupiterC 19S55 (Watch3,2)|Watch3,2]]
 
| [[JupiterC 19S55 (Watch3,2)|Watch3,2]]
| rowspan="3" | 6.20.01
+
| rowspan="4" | 6.20.01
 
| {{date|2021|12|13}}
 
| {{date|2021|12|13}}
 
| ?
 
| ?
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| 19T242
 
| 19T242
 
| [[JupiterE 19T242 (Watch3,2)|Watch3,2]]
 
| [[JupiterE 19T242 (Watch3,2)|Watch3,2]]
| ?
 
 
| {{date|2022|03|14}}
 
| {{date|2022|03|14}}
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13457/5C6AA3DB-1700-4334-9F7D-D8DFB46760CB/Watch3,2_8.5_19T242_Restore.ipsw Watch3,2_8.5_19T242_Restore.ipsw]
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13457/5C6AA3DB-1700-4334-9F7D-D8DFB46760CB/Watch3,2_8.5_19T242_Restore.ipsw Watch3,2_8.5_19T242_Restore.ipsw]
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| 19T242
 
| 19T242
 
| [[JupiterE 19T242 (Watch4,3)|Watch4,3]]
 
| [[JupiterE 19T242 (Watch4,3)|Watch4,3]]
| ?
+
| 4.02.01
 
| {{date|2022|03|14}}
 
| {{date|2022|03|14}}
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13515/2C80D065-EE8A-4CF7-B0CB-9BF21AA105CD/Watch4,3_8.5_19T242_Restore.ipsw Watch4,3_8.5_19T242_Restore.ipsw]
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13515/2C80D065-EE8A-4CF7-B0CB-9BF21AA105CD/Watch4,3_8.5_19T242_Restore.ipsw Watch4,3_8.5_19T242_Restore.ipsw]
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| 19T242
 
| 19T242
 
| [[JupiterE 19T242 (Watch4,4)|Watch4,4]]
 
| [[JupiterE 19T242 (Watch4,4)|Watch4,4]]
| ?
+
| 4.02.01
 
| {{date|2022|03|14}}
 
| {{date|2022|03|14}}
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13449/8A82B12D-0856-4D04-8CD1-14519457ABB2/Watch4,4_8.5_19T242_Restore.ipsw Watch4,4_8.5_19T242_Restore.ipsw]
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13449/8A82B12D-0856-4D04-8CD1-14519457ABB2/Watch4,4_8.5_19T242_Restore.ipsw Watch4,4_8.5_19T242_Restore.ipsw]
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| 19T242
 
| 19T242
 
| [[JupiterE 19T242 (Watch5,3)|Watch5,3]]
 
| [[JupiterE 19T242 (Watch5,3)|Watch5,3]]
| ?
+
| 4.02.01
 
| {{date|2022|03|14}}
 
| {{date|2022|03|14}}
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13504/5FB17EBE-359D-4361-9927-6C12F10F91B8/Watch5,3_8.5_19T242_Restore.ipsw Watch5,3_8.5_19T242_Restore.ipsw]
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13504/5FB17EBE-359D-4361-9927-6C12F10F91B8/Watch5,3_8.5_19T242_Restore.ipsw Watch5,3_8.5_19T242_Restore.ipsw]
Line 1,122: Line 1,120:
 
| 19T242
 
| 19T242
 
| [[JupiterE 19T242 (Watch5,4)|Watch5,4]]
 
| [[JupiterE 19T242 (Watch5,4)|Watch5,4]]
| ?
+
| 4.02.01
 
| {{date|2022|03|14}}
 
| {{date|2022|03|14}}
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13432/F22C4C95-30D5-4A19-B22E-4C6D0E677424/Watch5,4_8.5_19T242_Restore.ipsw Watch5,4_8.5_19T242_Restore.ipsw]
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13432/F22C4C95-30D5-4A19-B22E-4C6D0E677424/Watch5,4_8.5_19T242_Restore.ipsw Watch5,4_8.5_19T242_Restore.ipsw]
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| 19T242
 
| 19T242
 
| [[JupiterE 19T242 (Watch5,11)|Watch5,11]]
 
| [[JupiterE 19T242 (Watch5,11)|Watch5,11]]
| ?
+
| 4.02.01
 
| {{date|2022|03|14}}
 
| {{date|2022|03|14}}
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13395/6B706028-9791-4A29-B46E-2C96B00D4C2C/Watch5,11_8.5_19T242_Restore.ipsw Watch5,11_8.5_19T242_Restore.ipsw]
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13395/6B706028-9791-4A29-B46E-2C96B00D4C2C/Watch5,11_8.5_19T242_Restore.ipsw Watch5,11_8.5_19T242_Restore.ipsw]
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| 19T242
 
| 19T242
 
| [[JupiterE 19T242 (Watch5,12)|Watch5,12]]
 
| [[JupiterE 19T242 (Watch5,12)|Watch5,12]]
| ?
+
| 4.02.01
 
| {{date|2022|03|14}}
 
| {{date|2022|03|14}}
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13419/072CA833-C29B-497A-9E14-70669B7F6AC8/Watch5,12_8.5_19T242_Restore.ipsw Watch5,12_8.5_19T242_Restore.ipsw]
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13419/072CA833-C29B-497A-9E14-70669B7F6AC8/Watch5,12_8.5_19T242_Restore.ipsw Watch5,12_8.5_19T242_Restore.ipsw]
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| 19T242
 
| 19T242
 
| [[JupiterE 19T242 (Watch6,3)|Watch6,3]]
 
| [[JupiterE 19T242 (Watch6,3)|Watch6,3]]
| ?
+
| 4.02.01
 
| {{date|2022|03|14}}
 
| {{date|2022|03|14}}
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13529/58013D32-578D-4A6D-8F9E-F7E963612A29/Watch6,3_8.5_19T242_Restore.ipsw Watch6,3_8.5_19T242_Restore.ipsw]
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13529/58013D32-578D-4A6D-8F9E-F7E963612A29/Watch6,3_8.5_19T242_Restore.ipsw Watch6,3_8.5_19T242_Restore.ipsw]
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| 19T242
 
| 19T242
 
| [[JupiterE 19T242 (Watch6,4)|Watch6,4]]
 
| [[JupiterE 19T242 (Watch6,4)|Watch6,4]]
| ?
+
| 4.02.01
 
| {{date|2022|03|14}}
 
| {{date|2022|03|14}}
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13290/F7D18C36-E91F-4BD8-ADE1-E50727F54088/Watch6,4_8.5_19T242_Restore.ipsw Watch6,4_8.5_19T242_Restore.ipsw]
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13290/F7D18C36-E91F-4BD8-ADE1-E50727F54088/Watch6,4_8.5_19T242_Restore.ipsw Watch6,4_8.5_19T242_Restore.ipsw]
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| 19T242
 
| 19T242
 
| [[JupiterE 19T242 (Watch6,8)|Watch6,8]]
 
| [[JupiterE 19T242 (Watch6,8)|Watch6,8]]
| ?
+
| 4.02.01
 
| {{date|2022|03|14}}
 
| {{date|2022|03|14}}
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13487/23CA1149-925E-43EB-ACB1-025C60CA2F0F/Watch6,8_8.5_19T242_Restore.ipsw Watch6,8_8.5_19T242_Restore.ipsw]
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13487/23CA1149-925E-43EB-ACB1-025C60CA2F0F/Watch6,8_8.5_19T242_Restore.ipsw Watch6,8_8.5_19T242_Restore.ipsw]
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| 19T242
 
| 19T242
 
| [[JupiterE 19T242 (Watch6,9)|Watch6,9]]
 
| [[JupiterE 19T242 (Watch6,9)|Watch6,9]]
| ?
+
| 4.02.01
 
| {{date|2022|03|14}}
 
| {{date|2022|03|14}}
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13447/2E91DBF6-DE14-40AD-9621-FAD1ECA1A3EB/Watch6,9_8.5_19T242_Restore.ipsw Watch6,9_8.5_19T242_Restore.ipsw]
 
| [https://updates.cdn-apple.com/2022WinterFCS/fullrestores/071-13447/2E91DBF6-DE14-40AD-9621-FAD1ECA1A3EB/Watch6,9_8.5_19T242_Restore.ipsw Watch6,9_8.5_19T242_Restore.ipsw]

Revision as of 00:48, 16 March 2022

Apple Watch Series 3

Watch3,1

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch3,1 5.80.01 20 September 2021 Watch3,1_8.0_19R346_Restore.ipsw fbc5d38474a61cfc12e7461d5c16828eb959d53b 2,816,228,463 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch3,1 11 October 2021 Watch3,1_8.0.1_19R354_Restore.ipsw c511dd4c006ecc905c081da963624de0eb0c1c56 2,817,836,650 Release Notes
8.1 15.1 19R570 Watch3,1 25 October 2021 Watch3,1_8.1_19R570_Restore.ipsw 78b58574c57663e83286071ea4e483ef420a157a 2,836,987,479 Release Notes Security Notes
8.3 15.2 19S55 Watch3,1 6.20.01 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch3,1 26 January 2022 ? ? ? Release Notes Security Notes
8.4.2 15.3.1 19S553 Watch3,1 10 February 2022 Watch3,1_8.4.2_19S553_Restore.ipsw 1f73f7f66daab03e4f59b65eb397b2858f8f1dfb 2,804,897,111 Release Notes
8.5 15.4 19T242 Watch3,1 14 March 2022 Watch3,1_8.5_19T242_Restore.ipsw 375d5ccd74cd1bca50140c3c8be9a1cf454e3fdf 2,832,288,323 Release Notes Security Notes

Watch3,2

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch3,2 5.80.01 20 September 2021 Watch3,2_8.0_19R346_Restore.ipsw d24305e97293e2c3885c02df6570fb82e04af8a7 2,824,791,949 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch3,2 11 October 2021 Watch3,2_8.0.1_19R354_Restore.ipsw d77e0014dbca1a9d5c0cedd50f2246eea1595002 2,824,154,705 Release Notes
8.1 15.1 19R570 Watch3,2 25 October 2021 Watch3,2_8.1_19R570_Restore.ipsw f080b749f01d4b126da744a652e42871540eb49e 2,843,913,306 Release Notes Security Notes
8.3 15.2 19S55 Watch3,2 6.20.01 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch3,2 26 January 2022 ? ? ? Release Notes Security Notes
8.4.2 15.3.1 19S553 Watch3,2 10 February 2022 Watch3,2_8.4.2_19S553_Restore.ipsw ae5bcd76a7ef51bad1c0a654a47a54d6eca5636b 2,811,977,812 Release Notes
8.5 15.4 19T242 Watch3,2 14 March 2022 Watch3,2_8.5_19T242_Restore.ipsw 0eece1dadf5d227c2575e9fcb1f73166d1130075 2,839,918,552 Release Notes Security Notes

Watch3,3

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch3,3 20 September 2021 Watch3,3_8.0_19R346_Restore.ipsw cc082f681527f56deeb99c17ffb7ec4452a081f8 2,740,251,853 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch3,3 11 October 2021 Watch3,3_8.0.1_19R354_Restore.ipsw be2e9b8bc4587694e81f097aa920be633da81c9e 2,739,501,569 Release Notes
8.1 15.1 19R570 Watch3,3 25 October 2021 Watch3,3_8.1_19R570_Restore.ipsw d9a7a87781c1a01b062cd0870b21d1f4ef474f07 2,769,839,687 Release Notes Security Notes
8.3 15.2 19S55 Watch3,3 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch3,3 26 January 2022 ? ? ? Release Notes Security Notes
8.4.2 15.3.1 19S553 Watch3,3 10 February 2022 Watch3,3_8.4.2_19S553_Restore.ipsw 277b89fe1836b7a0c82a221c2a279ecd510e72cb 2,783,286,645 Release Notes
8.5 15.4 19T242 Watch3,3 14 March 2022 Watch3,3_8.5_19T242_Restore.ipsw 11deb6eb5cf9b6629a67e5c86241859cceead079 2,767,029,549 Release Notes Security Notes

Watch3,4

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch3,4 20 September 2021 Watch3,4_8.0_19R346_Restore.ipsw 93feacbfd92c6eca58c37f5c6d104e1fd5039a7f 2,758,108,953 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch3,4 11 October 2021 Watch3,4_8.0.1_19R354_Restore.ipsw ef3b7f20506fc90981e6849907ff0c5cc17c971b 2,758,626,686 Release Notes
8.1 15.1 19R570 Watch3,4 25 October 2021 Watch3,4_8.1_19R570_Restore.ipsw 81b840834fcd01e0d232a691d1f7552382754a72 2,776,778,025 Release Notes Security Notes
8.3 15.2 19S55 Watch3,4 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch3,4 26 January 2022 ? ? ? Release Notes Security Notes
8.4.2 15.3.1 19S553 Watch3,4 10 February 2022 Watch3,4_8.4.2_19S553_Restore.ipsw 6cae80e1d95ae4b284af1ba18c19d94c088b8ac3 2,790,369,794 Release Notes
8.5 15.4 19T242 Watch3,4 14 March 2022 Watch3,4_8.5_19T242_Restore.ipsw 210c1b99aa20882879121fa8956799a013504839 2,774,617,911 Release Notes Security Notes

Apple Watch Series 4

Watch4,1

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch4,1 20 September 2021 Watch4,1_8.0_19R346_Restore.ipsw b6930626161a79613b148ef2dedb3014c6434acd 2,934,906,590 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch4,1 11 October 2021 Watch4,1_8.0.1_19R354_Restore.ipsw bb7307971a3071cc36c3134b7b4c5339ac6e0066 2,934,802,240 Release Notes
8.1 15.1 19R570 Watch4,1 25 October 2021 Watch4,1_8.1_19R570_Restore.ipsw 8fc8f9f72fc288d25191a59daf64d3db5ed9956b 2,952,668,472 Release Notes Security Notes
8.3 15.2 19S55 Watch4,1 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch4,1 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch4,1 1 February 2022 Watch4,1_8.4.1_19S550_Restore.ipsw 6c4500f6979e2006ae5109789cea5fbb85fb0887 2,961,779,236 Release Notes
8.4.2 15.3.1 19S553 Watch4,1 10 February 2022 Watch4,1_8.4.2_19S553_Restore.ipsw f5cec547d108174ede3c207142feb3c7b55ea30c 2,961,837,638 Release Notes
8.5 15.4 19T242 Watch4,1 14 March 2022 Watch4,1_8.5_19T242_Restore.ipsw 343a3aabcf60fc3f55e256027fef4ae4cf7ae554 2,989,782,238 Release Notes Security Notes

Watch4,2

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch4,2 20 September 2021 Watch4,2_8.0_19R346_Restore.ipsw fd88bb2369a3125c62a9d7a02ef2ecec48adc354 2,912,452,755 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch4,2 11 October 2021 Watch4,2_8.0.1_19R354_Restore.ipsw 008c1ab72095ba0eb81538fb6433a2059656340a 2,912,585,886 Release Notes
8.1 15.1 19R570 Watch4,2 25 October 2021 Watch4,2_8.1_19R570_Restore.ipsw 1cc92905c961610bb22506bea3bf9a1b7560bcd5 2,930,733,857 Release Notes Security Notes
8.3 15.2 19S55 Watch4,2 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch4,2 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch4,2 1 February 2022 Watch4,2_8.4.1_19S550_Restore.ipsw 08040eb6d23e048cae599711e781e17e2ff0377a 2,940,098,884 Release Notes
8.4.2 15.3.1 19S553 Watch4,2 10 February 2022 Watch4,2_8.4.2_19S553_Restore.ipsw 2a40256d1660ff3e3207021cffc4b5fb8c1d2a52 2,940,345,627 Release Notes
8.5 15.4 19T242 Watch4,2 14 March 2022 Watch4,2_8.5_19T242_Restore.ipsw 94f7313858e0761b4e92b725a1c2aea4b2f8330c 2,967,318,524 Release Notes Security Notes

Watch4,3

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch4,3 4.00.00 20 September 2021 Watch4,3_8.0_19R346_Restore.ipsw eafb72ffe197b0da6503c6a6e73e8c996057a944 2,991,550,875 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch4,3 11 October 2021 Watch4,3_8.0.1_19R354_Restore.ipsw 5058c54301a08b535408da8891bb043a1d8e2b40 2,991,553,469 Release Notes
8.1 15.1 19R570 Watch4,3 25 October 2021 Watch4,3_8.1_19R570_Restore.ipsw c644331d2eb92ce8a9366b9c90df91d3b677f68e 3,009,221,126 Release Notes Security Notes
8.3 15.2 19S55 Watch4,3 4.01.01 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch4,3 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch4,3 1 February 2022 Watch4,3_8.4.1_19S550_Restore.ipsw 0d126584e2e8dc60e95e8055fd522eacf58c2947 3,018,769,953 Release Notes
8.4.2 15.3.1 19S553 Watch4,3 10 February 2022 Watch4,3_8.4.2_19S553_Restore.ipsw faf19f3f15bce5af290bf53461a990bd1e38eaf8 3,018,818,149 Release Notes
8.5 15.4 19T242 Watch4,3 4.02.01 14 March 2022 Watch4,3_8.5_19T242_Restore.ipsw 9cb1de8d8e148fd1dc16cf7876b6c870066a68dd 3,044,840,641 Release Notes Security Notes

Watch4,4

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch4,4 4.00.00 20 September 2021 Watch4,4_8.0_19R346_Restore.ipsw 0a98a9747f8a7f8dc96a7b61600c432747314f57 2,969,663,376 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch4,4 11 October 2021 Watch4,4_8.0.1_19R354_Restore.ipsw c44ba6110a3b43e5cfa9c262384000f949c3b65f 2,969,761,708 Release Notes
8.1 15.1 19R570 Watch4,4 25 October 2021 Watch4,4_8.1_19R570_Restore.ipsw 4e1c95f23b889098530445067094c27320e2ccab 2,987,100,164 Release Notes Security Notes
8.3 15.2 19S55 Watch4,4 4.01.01 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch4,4 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch4,4 1 February 2022 Watch4,4_8.4.1_19S550_Restore.ipsw dfdcb5d373040205008891bebb2b0d56f82210da 2,996,384,658 Release Notes
8.4.2 15.3.1 19S553 Watch4,4 10 February 2022 Watch4,4_8.4.2_19S553_Restore.ipsw 65cb25b1db67f9d5d7ac06a27474931e0bb65703 2,996,683,557 Release Notes
8.5 15.4 19T242 Watch4,4 4.02.01 14 March 2022 Watch4,4_8.5_19T242_Restore.ipsw f64823a253cf24be7585830f03ee830250206c77 3,022,892,511 Release Notes Security Notes

Apple Watch Series 5

Watch5,1

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch5,1 20 September 2021 Watch5,1_8.0_19R346_Restore.ipsw 2af9ba24bbcec444281fb2875384e4f0cf975b18 2,936,009,396 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch5,1 11 October 2021 Watch5,1_8.0.1_19R354_Restore.ipsw 44b5c18bd208c03aa25e6738245504dd2fbbd472 2,936,157,546 Release Notes
8.1 15.1 19R570 Watch5,1 25 October 2021 Watch5,1_8.1_19R570_Restore.ipsw 3c75f9a19ef040f8c37a2e99fd26986e9c709bfe 2,953,988,173 Release Notes Security Notes
8.3 15.2 19S55 Watch5,1 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch5,1 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch5,1 1 February 2022 Watch5,1_8.4.1_19S550_Restore.ipsw e2c1fa2e4204c55ed41826f17774458fbda5a95b 2,963,093,779 Release Notes
8.4.2 15.3.1 19S553 Watch5,1 10 February 2022 Watch5,1_8.4.2_19S553_Restore.ipsw 9966f2907f5c8a2019964701d24d3a85cfb42699 2,963,393,550 Release Notes
8.5 15.4 19T242 Watch5,1 14 March 2022 Watch5,1_8.5_19T242_Restore.ipsw 5240ffdd1b56d19951a2ee7e2f7bd89748929971 2,990,458,664 Release Notes Security Notes

Watch5,2

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch5,2 20 September 2021 Watch5,2_8.0_19R346_Restore.ipsw a4dbb44c1391eb452e54acbf3da9ea76de8fd03a 2,913,919,749 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch5,2 11 October 2021 Watch5,2_8.0.1_19R354_Restore.ipsw 4005418be6eb7acf8cc4876e671899453464085f 2,913,984,787 Release Notes
8.1 15.1 19R570 Watch5,2 25 October 2021 Watch5,2_8.1_19R570_Restore.ipsw cd3027283e0354f329b6e543da2921c9face9b95 2,931,649,856 Release Notes Security Notes
8.3 15.2 19S55 Watch5,2 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch5,2 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch5,2 1 February 2022 Watch5,2_8.4.1_19S550_Restore.ipsw 4fa737322ce8fb678d59e3dc0fe1b476aacf604b 2,941,149,321 Release Notes
8.4.2 15.3.1 19S553 Watch5,2 10 February 2022 Watch5,2_8.4.2_19S553_Restore.ipsw 5f2a54f84ee16e9bd3d68534ec142526706bdf7f 2,940,966,127 Release Notes
8.5 15.4 19T242 Watch5,2 14 March 2022 Watch5,2_8.5_19T242_Restore.ipsw 86269ab204541fe86acdb11720ff8922eb73b359 2,968,233,686 Release Notes Security Notes

Watch5,3

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch5,3 4.00.00 20 September 2021 Watch5,3_8.0_19R346_Restore.ipsw 8e0a3a51a87a5ae2c803d40b1e6a20ed3456a3fa 2,993,175,092 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch5,3 11 October 2021 Watch5,3_8.0.1_19R354_Restore.ipsw f21bc73a975506746fa71eaef5b12d8531489b4f 2,993,117,556 Release Notes
8.1 15.1 19R570 Watch5,3 25 October 2021 Watch5,3_8.1_19R570_Restore.ipsw 2209dcdd9e78ec1ad6601f9890b5c5600e01ed78 3,011,004,214 Release Notes Security Notes
8.3 15.2 19S55 Watch5,3 4.01.01 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch5,3 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch5,3 1 February 2022 Watch5,3_8.4.1_19S550_Restore.ipsw cd853b47e3a4420977121e1057b51a702af40010 3,020,586,219 Release Notes
8.4.2 15.3.1 19S553 Watch5,3 10 February 2022 Watch5,3_8.4.2_19S553_Restore.ipsw 071524fee9cb958e95e7c3ff782caf4364463a09 3,020,387,769 Release Notes
8.5 15.4 19T242 Watch5,3 4.02.01 14 March 2022 Watch5,3_8.5_19T242_Restore.ipsw 81f6f983d7d0d3f0f8385c46ce64d5359a83d391 3,046,181,908 Release Notes Security Notes

Watch5,4

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch5,4 4.00.00 20 September 2021 Watch5,4_8.0_19R346_Restore.ipsw 083baff704ec84f20fc808198a6c79f1129dab3c 2,970,519,307 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch5,4 11 October 2021 Watch5,4_8.0.1_19R354_Restore.ipsw 345f5efebdcd64bca0ba931d09aff5a42d2462a2 2,970,494,684 Release Notes
8.1 15.1 19R570 Watch5,4 25 October 2021 Watch5,4_8.1_19R570_Restore.ipsw 1b44633e5f1658b1250777f61cb0844bd0af0805 2,988,583,067 Release Notes Security Notes
8.3 15.2 19S55 Watch5,4 4.01.01 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch5,4 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch5,4 1 February 2022 Watch5,4_8.4.1_19S550_Restore.ipsw 1b7f65db9c0f8f01b9c179e5389d5681ec672ab3 2,997,959,123 Release Notes
8.4.2 15.3.1 19S553 Watch5,4 10 February 2022 Watch5,4_8.4.2_19S553_Restore.ipsw ac7da34938f71fa66aa88dfedf1dd3a8029352b9 2,998,322,505 Release Notes
8.5 15.4 19T242 Watch5,4 4.02.01 14 March 2022 Watch5,4_8.5_19T242_Restore.ipsw 9bf6a784c5dba536fd53ea67f1e54d60000db892 3,023,863,631 Release Notes Security Notes

Apple Watch SE

Watch5,9

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch5,9 20 September 2021 Watch5,9_8.0_19R346_Restore.ipsw 01ec9786a0479686bf99b1faff5cdfa687355b9f 2,935,762,762 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch5,9 11 October 2021 Watch5,9_8.0.1_19R354_Restore.ipsw abfab2d3c76dadbf9b0d5779fbb9ee413ee59dfc 2,935,844,437 Release Notes
8.1 15.1 19R570 Watch5,9 25 October 2021 Watch5,9_8.1_19R570_Restore.ipsw 8c9d8db1ecc760b13d80757a49963a543105427e 2,953,766,035 Release Notes Security Notes
8.3 15.2 19S55 Watch5,9 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch5,9 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch5,9 1 February 2022 Watch5,9_8.4.1_19S550_Restore.ipsw 66f97ff0593c0e8c73dec21666e9acd055db137f 2,962,792,564 Release Notes
8.4.2 15.3.1 19S553 Watch5,9 10 February 2022 Watch5,9_8.4.2_19S553_Restore.ipsw 24827431e911ee65672e691f8d3ff28c1497e341 2,963,226,913 Release Notes
8.5 15.4 19T242 Watch5,9 14 March 2022 Watch5,9_8.5_19T242_Restore.ipsw 16596c6cf547fa1f7565cb93c23b13a825a86ed2 2,990,246,610 Release Notes Security Notes

Watch5,10

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch5,10 20 September 2021 Watch5,10_8.0_19R346_Restore.ipsw 73a9116b25a0badb8363ac2c9d5025ad5d167ff5 2,913,641,870 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch5,10 11 October 2021 Watch5,10_8.0.1_19R354_Restore.ipsw 0a0f81b85f698dec9b62836756d68ea5667ee3d3 2,913,631,785 Release Notes
8.1 15.1 19R570 Watch5,10 25 October 2021 Watch5,10_8.1_19R570_Restore.ipsw 2de15fcdf982df8e8e3e36d08c350f7920c50270 2,931,546,677 Release Notes Security Notes
8.3 15.2 19S55 Watch5,10 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch5,10 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch5,10 1 February 2022 Watch5,10_8.4.1_19S550_Restore.ipsw 65b0bc6a062e74be3e892c174efc120a45f77adb 2,941,141,560 Release Notes
8.4.2 15.3.1 19S553 Watch5,10 10 February 2022 Watch5,10_8.4.2_19S553_Restore.ipsw 30d5569530eafc2ec95e249be097f8c2781c43c1 2,940,822,735 Release Notes
8.5 15.4 19T242 Watch5,10 14 March 2022 Watch5,10_8.5_19T242_Restore.ipsw 195dcdd50de6d157a32b68afaee93b895c120a7c 2,968,286,116 Release Notes Security Notes

Watch5,11

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch5,11 4.00.00 20 September 2021 Watch5,11_8.0_19R346_Restore.ipsw 1287450f057bc436b3300f0134e45af1408335af 2,992,382,842 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch5,11 11 October 2021 Watch5,11_8.0.1_19R354_Restore.ipsw 7318660b9e5a45b6498418d18bfc185d842be2be 2,992,355,494 Release Notes
8.1 15.1 19R570 Watch5,11 25 October 2021 Watch5,11_8.1_19R570_Restore.ipsw 0e09ae2ca465986defd2c796784e899f809d09b9 3,010,072,201 Release Notes Security Notes
8.3 15.2 19S55 Watch5,11 4.01.01 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch5,11 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch5,11 1 February 2022 Watch5,11_8.4.1_19S550_Restore.ipsw c7fab13b47827416d3d9a947240e653641791664 3,019,446,309 Release Notes
8.4.2 15.3.1 19S553 Watch5,11 10 February 2022 Watch5,11_8.4.2_19S553_Restore.ipsw 3dfd978ec7443a3473645fb86f5528f21aecd8b9 3,019,024,152 Release Notes
8.5 15.4 19T242 Watch5,11 4.02.01 14 March 2022 Watch5,11_8.5_19T242_Restore.ipsw 0f2c93d4612c07c5092b7f7bace236dafd2b364f 3,045,150,662 Release Notes Security Notes

Watch5,12

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch5,12 4.00.00 20 September 2021 Watch5,12_8.0_19R346_Restore.ipsw ad6dbac2e3e4e9997631ebc92e122604d11db7a4 2,969,735,183 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch5,12 11 October 2021 Watch5,12_8.0.1_19R354_Restore.ipsw 56a5c4338becff37e7b267ab51e54d04d6f8474c 2,969,807,762 Release Notes
8.1 15.1 19R570 Watch5,12 25 October 2021 Watch5,12_8.1_19R570_Restore.ipsw f08de5b2516135ab04ec235e3253dbd005ded00a 2,987,901,474 Release Notes Security Notes
8.3 15.2 19S55 Watch5,12 4.01.01 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch5,12 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch5,12 1 February 2022 Watch5,12_8.4.1_19S550_Restore.ipsw 6cbbe170df0032be714bd40bebc9f994e2b101e7 2,997,000,009 Release Notes
8.4.2 15.3.1 19S553 Watch5,12 10 February 2022 Watch5,12_8.4.2_19S553_Restore.ipsw feecb8d3f6d88a2487c5af87901d1971812ad8f5 2,997,446,125 Release Notes
8.5 15.4 19T242 Watch5,12 4.02.01 14 March 2022 Watch5,12_8.5_19T242_Restore.ipsw 89654b39d16008389d99bbfabd16abec985dc060 3,023,123,320 Release Notes Security Notes

Apple Watch Series 6

Watch6,1

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch6,1 20 September 2021 Watch6,1_8.0_19R346_Restore.ipsw 0d5ca7612cb867f2abbd406446b0d9b7fa7971b7 2,927,123,146 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch6,1 11 October 2021 Watch6,1_8.0.1_19R354_Restore.ipsw 846f2b05352d050be5e214d0c48885ccf84cfe70 2,926,936,972 Release Notes
8.1 15.1 19R570 Watch6,1 25 October 2021 Watch6,1_8.1_19R570_Restore.ipsw 2154817b9ae3d8e1db4a794831176d03a9d4b2ae 2,945,505,291 Release Notes Security Notes
8.3 15.2 19S55 Watch6,1 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch6,1 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch6,1 1 February 2022 Watch6,1_8.4.1_19S550_Restore.ipsw 4142c926b359cc953e9d64cfcc7641e2dca04a3c 2,954,738,905 Release Notes
8.4.2 15.3.1 19S553 Watch6,1 10 February 2022 Watch6,1_8.4.2_19S553_Restore.ipsw e7c7802d24adb771ebac2faae111d14529baa272 2,954,453,265 Release Notes
8.5 15.4 19T242 Watch6,1 14 March 2022 Watch6,1_8.5_19T242_Restore.ipsw 5b8a8630c95aa9b37c97ac4dc61fb223931950b9 2,978,268,816 Release Notes Security Notes

Watch6,2

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch6,2 20 September 2021 Watch6,2_8.0_19R346_Restore.ipsw a4bf9961e4ae96ab0b7e4db7a3ea970b3f42f437 2,904,414,931 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch6,2 11 October 2021 Watch6,2_8.0.1_19R354_Restore.ipsw c692af9093b764fc93e9d3f176956d8e0844a4af 2,904,635,612 Release Notes
8.1 15.1 19R570 Watch6,2 25 October 2021 Watch6,2_8.1_19R570_Restore.ipsw 158ad887bd2528a9069961e8f8b5eeab713cbb8d 2,922,845,618 Release Notes Security Notes
8.3 15.2 19S55 Watch6,2 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch6,2 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch6,2 1 February 2022 Watch6,2_8.4.1_19S550_Restore.ipsw 0d05761cf556127c22ad07f256b3f226c7867734 2,932,178,613 Release Notes
8.4.2 15.3.1 19S553 Watch6,2 10 February 2022 Watch6,2_8.4.2_19S553_Restore.ipsw 12a8af86c2a84a159e79ae9b7bf448ae8282d242 2,932,356,727 Release Notes
8.5 15.4 19T242 Watch6,2 14 March 2022 Watch6,2_8.5_19T242_Restore.ipsw 7f221f52d1bb48505eeff40bf1259e48de8c4d30 2,955,598,602 Release Notes Security Notes

Watch6,3

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch6,3 4.00.00 20 September 2021 Watch6,3_8.0_19R346_Restore.ipsw 5b45236d888819659372cabd7ba3a4db945ad531 2,983,352,373 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch6,3 11 October 2021 Watch6,3_8.0.1_19R354_Restore.ipsw c3afba8b8f39dcf594b08ce7d2612c5c70518e62 2,983,258,894 Release Notes
8.1 15.1 19R570 Watch6,3 25 October 2021 Watch6,3_8.1_19R570_Restore.ipsw af1ca32d7fcce501dfb6787259102df050961a9c 3,001,583,606 Release Notes Security Notes
8.3 15.2 19S55 Watch6,3 4.01.01 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch6,3 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch6,3 1 February 2022 Watch6,3_8.4.1_19S550_Restore.ipsw ccf1388965c7c6ca455876897cbe56f721d3f516 3,010,901,636 Release Notes
8.4.2 15.3.1 19S553 Watch6,3 10 February 2022 Watch6,3_8.4.2_19S553_Restore.ipsw 8f9254edf4b771a4c1f2dc8d87c3d81404077253 3,010,840,374 Release Notes
8.5 15.4 19T242 Watch6,3 4.02.01 14 March 2022 Watch6,3_8.5_19T242_Restore.ipsw 3ee18455ed2e76b6b4d6d6b5b3a4e3de154b0db3 3,032,635,433 Release Notes Security Notes

Watch6,4

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R346 Watch6,4 4.00.00 20 September 2021 Watch6,4_8.0_19R346_Restore.ipsw f2d4e3e39c3454f79750a7dd1d433a50c819d407 2,961,172,615 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch6,4 11 October 2021 Watch6,4_8.0.1_19R354_Restore.ipsw 227f04c7eec816d73a8d7dec42ecf78f6734d20c 2,961,506,422 Release Notes
8.1 15.1 19R570 Watch6,4 25 October 2021 Watch6,4_8.1_19R570_Restore.ipsw 464b3505f768db30e1a96c6270515eda27fa4a80 2,979,206,180 Release Notes Security Notes
8.3 15.2 19S55 Watch6,4 4.01.01 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch6,4 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch6,4 1 February 2022 Watch6,4_8.4.1_19S550_Restore.ipsw c55a9e392380debad6e78a0338aba32638126410 2,988,743,909 Release Notes
8.4.2 15.3.1 19S553 Watch6,4 10 February 2022 Watch6,4_8.4.2_19S553_Restore.ipsw a061dec7e45898fc7e3f8d225ab0db2cf858328e 2,988,850,825 Release Notes
8.5 15.4 19T242 Watch6,4 4.02.01 14 March 2022 Watch6,4_8.5_19T242_Restore.ipsw dda0b01a71168beafefb30a206cfed7f26f87671 3,010,693,204 Release Notes Security Notes

Apple Watch Series 7

Watch6,6

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R343 N/A Preinstalled N/A
19R346 Watch6,6 20 September 2021 Watch6,6_8.0_19R346_Restore.ipsw 7d8ef8daef887a40bb43fd371359fa0f02f700ce 2,959,923,896 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch6,6 11 October 2021 Watch6,6_8.0.1_19R354_Restore.ipsw 47226f841ed1c8e766ee1d8d942e6c1fc4fc8077 2,959,809,373 Release Notes
8.1 15.1 19R570 Watch6,6 25 October 2021 Watch6,6_8.1_19R570_Restore.ipsw a421df2c3ff897a4525915f2e0894eac9d9f96d6 2,978,453,788 Release Notes Security Notes
8.3 15.2 19S55 Watch6,6 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch6,6 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch6,6 1 February 2022 Watch6,6_8.4.1_19S550_Restore.ipsw 24ba3a99b4513303bf63d043e35f73f7ccd7b252 2,987,810,886 Release Notes
8.4.2 15.3.1 19S553 Watch6,6 10 February 2022 Watch6,6_8.4.2_19S553_Restore.ipsw 4325477016332502eb125787ccc93fee40d4e789 2,987,834,039 Release Notes
8.5 15.4 19T242 Watch6,6 14 March 2022 Watch6,6_8.5_19T242_Restore.ipsw e2a9090719e58207a6879c693a714f6b2408baaf 3,010,800,906 Release Notes Security Notes

Watch6,7

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R343 N/A Preinstalled N/A
19R346 Watch6,7 20 September 2021 Watch6,7_8.0_19R346_Restore.ipsw b397ef728a96602a388528ed5d5c4c8af5a64476 2,953,106,058 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch6,7 11 October 2021 Watch6,7_8.0.1_19R354_Restore.ipsw d495af8e9ab16553496dccbc5726c3c20bc25806 2,953,216,315 Release Notes
8.1 15.1 19R570 Watch6,7 25 October 2021 Watch6,7_8.1_19R570_Restore.ipsw 2f828e4ca0986242234daa38a40256a25b1e579d 2,971,925,739 Release Notes Security Notes
8.3 15.2 19S55 Watch6,7 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch6,7 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch6,7 1 February 2022 Watch6,7_8.4.1_19S550_Restore.ipsw 4969e109da903258c8b33b4a1915100d0b3ea5fb 2,981,528,045 Release Notes
8.4.2 15.3.1 19S553 Watch6,7 10 February 2022 Watch6,7_8.4.2_19S553_Restore.ipsw 577509c71af07699f9db38f332e4cd19b3e61032 2,981,420,967 Release Notes
8.5 15.4 19T242 Watch6,7 14 March 2022 Watch6,7_8.5_19T242_Restore.ipsw f5a452076d87316924b10ed90745b47e8dbaabdd 3,004,706,137 Release Notes Security Notes

Watch6,8

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R343 N/A 4.00.00 Preinstalled N/A
19R346 Watch6,8 20 September 2021 Watch6,8_8.0_19R346_Restore.ipsw 01ef2ec55550cda965b7b878978f07fe765d27c1 3,016,260,507 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch6,8 11 October 2021 Watch6,8_8.0.1_19R354_Restore.ipsw 1b57d404a4e615de6c619103c5817d2bc45950d3 3,016,237,022 Release Notes
8.1 15.1 19R570 Watch6,8 25 October 2021 Watch6,8_8.1_19R570_Restore.ipsw aa0e10e66ce0545a3c83838e25f59cb471fffe02 3,034,895,932 Release Notes Security Notes
8.1.1 15.1.1 19R580 Watch6,8 18 November 2021 N/A Release Notes
8.3 15.2 19S55 Watch6,8 4.01.01 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch6,8 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch6,8 1 February 2022 Watch6,8_8.4.1_19S550_Restore.ipsw ef764c6a064d00fc0508362e34d7ea895d43e3b3 3,044,332,980 Release Notes
8.4.2 15.3.1 19S553 Watch6,8 10 February 2022 Watch6,8_8.4.2_19S553_Restore.ipsw de73afb4fa3aa6c88390ec0eb2bfeb91fbe1a646 3,044,344,120 Release Notes
8.5 15.4 19T242 Watch6,8 4.02.01 14 March 2022 Watch6,8_8.5_19T242_Restore.ipsw 754f1af88b983f641fa92db01d8f8bb7a8da260e 3,067,512,888 Release Notes Security Notes

Watch6,9

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
watchOS iOS
8.0 15.0 19R343 N/A 4.00.00 Preinstalled N/A
19R346 Watch6,9 20 September 2021 Watch6,9_8.0_19R346_Restore.ipsw a952bbef9990c2df5e58366257c8d72c4ea4d762 3,009,884,526 Release Notes Security Notes
8.0.1 15.0.2 19R354 Watch6,9 11 October 2021 Watch6,9_8.0.1_19R354_Restore.ipsw 97d5b30cb15f727e56f039bc5bb6b1e297d05724 3,010,008,952 Release Notes
8.1 15.1 19R570 Watch6,9 25 October 2021 Watch6,9_8.1_19R570_Restore.ipsw c0b2c025633711a1fa8ed3a8393205ef4fa51d34 3,028,521,725 Release Notes Security Notes
8.1.1 15.1.1 19R580 Watch6,9 18 November 2021 N/A Release Notes
8.3 15.2 19S55 Watch6,9 4.01.01 13 December 2021 ? ? ? Release Notes Security Notes
8.4 15.3 19S546 Watch6,9 26 January 2022 ? ? ? Release Notes Security Notes
8.4.1 19S550 Watch6,9 1 February 2022 Watch6,9_8.4.1_19S550_Restore.ipsw a474998bf9ff937cbac60021b9f0ff580ddd8281 3,038,056,412 Release Notes
8.4.2 15.3.1 19S553 Watch6,9 10 February 2022 Watch6,9_8.4.2_19S553_Restore.ipsw ae9ad8da6bfdcf88a970ac6a7e75b73f9998517d 3,038,210,358 Release Notes
8.5 15.4 19T242 Watch6,9 4.02.01 14 March 2022 Watch6,9_8.5_19T242_Restore.ipsw d984fd042f6f24b8985ae30379bb901781ad3e21 3,060,999,594 Release Notes Security Notes