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

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(Add 8.4.1 ipsw URLs)
(watchOS 8.4.2)
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| 19S55
  
| 19S55
 
| [[JupiterC 19S55 (Watch3,1)|Watch3,1]]
  
| [[JupiterC 19S55 (Watch3,1)|Watch3,1]]
−
| rowspan="2" | 6.20.01
 +
| rowspan="3" | 6.20.01
 
| {{date|2021|12|13}}
  
| {{date|2021|12|13}}
 
| ?
  
| ?
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| ?
  
| ?
 
| Nowrap | [https://support.apple.com/HT212790#84 Release Notes] [https://support.apple.com/HT213059 Security Notes]
  
| Nowrap | [https://support.apple.com/HT212790#84 Release Notes] [https://support.apple.com/HT213059 Security Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch3,1)|Watch3,1]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
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| 19S55
  
| 19S55
 
| [[JupiterC 19S55 (Watch3,2)|Watch3,2]]
  
| [[JupiterC 19S55 (Watch3,2)|Watch3,2]]
−
| rowspan="2" | 6.20.01
 +
| rowspan="3" | 6.20.01
 
| {{date|2021|12|13}}
  
| {{date|2021|12|13}}
 
| ?
  
| ?
Line 136: Line 146:
 
| ?
  
| ?
 
| Nowrap | [https://support.apple.com/HT212790#84 Release Notes] [https://support.apple.com/HT213059 Security Notes]
  
| Nowrap | [https://support.apple.com/HT212790#84 Release Notes] [https://support.apple.com/HT213059 Security Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch3,2)|Watch3,2]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
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| ?
  
| ?
 
| Nowrap | [https://support.apple.com/HT212790#84 Release Notes] [https://support.apple.com/HT213059 Security Notes]
  
| Nowrap | [https://support.apple.com/HT212790#84 Release Notes] [https://support.apple.com/HT213059 Security Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch3,3)|Watch3,3]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
Line 268: Line 298:
 
| ?
  
| ?
 
| Nowrap | [https://support.apple.com/HT212790#84 Release Notes] [https://support.apple.com/HT213059 Security Notes]
  
| Nowrap | [https://support.apple.com/HT212790#84 Release Notes] [https://support.apple.com/HT213059 Security Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch3,4)|Watch3,4]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
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| 2,961,779,236
  
| 2,961,779,236
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch4,1)|Watch4,1]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
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| 2,940,098,884
  
| 2,940,098,884
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch4,2)|Watch4,2]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
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| 19S55
  
| 19S55
 
| [[JupiterC 19S55 (Watch4,3)|Watch4,3]]
  
| [[JupiterC 19S55 (Watch4,3)|Watch4,3]]
−
| rowspan="3" | 4.01.01
 +
| rowspan="4" | 4.01.01
 
| {{date|2021|12|13}}
  
| {{date|2021|12|13}}
 
| ?
  
| ?
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| 3,018,769,953
  
| 3,018,769,953
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch4,3)|Watch4,3]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
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| 19S55
  
| 19S55
 
| [[JupiterC 19S55 (Watch4,4)|Watch4,4]]
  
| [[JupiterC 19S55 (Watch4,4)|Watch4,4]]
−
| rowspan="3" | 4.01.01
 +
| rowspan="4" | 4.01.01
 
| {{date|2021|12|13}}
  
| {{date|2021|12|13}}
 
| ?
  
| ?
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| 2,996,384,658
  
| 2,996,384,658
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch4,4)|Watch4,4]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
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| 2,963,093,779
  
| 2,963,093,779
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch5,1)|Watch5,1]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
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| 2,941,149,321
  
| 2,941,149,321
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch5,2)|Watch5,2]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
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| 19S55
  
| 19S55
 
| [[JupiterC 19S55 (Watch5,3)|Watch5,3]]
  
| [[JupiterC 19S55 (Watch5,3)|Watch5,3]]
−
| rowspan="3" | 4.01.01
 +
| rowspan="4" | 4.01.01
 
| {{date|2021|12|13}}
  
| {{date|2021|12|13}}
 
| ?
  
| ?
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| 3,020,586,219
  
| 3,020,586,219
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch5,3)|Watch5,3]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
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| 19S55
  
| 19S55
 
| [[JupiterC 19S55 (Watch5,4)|Watch5,4]]
  
| [[JupiterC 19S55 (Watch5,4)|Watch5,4]]
−
| rowspan="3" | 4.01.01
 +
| rowspan="4" | 4.01.01
 
| {{date|2021|12|13}}
  
| {{date|2021|12|13}}
 
| ?
  
| ?
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| 2,997,959,123
  
| 2,997,959,123
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch5,4)|Watch5,4]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
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| 2,962,792,564
  
| 2,962,792,564
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch5,9)|Watch5,9]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
Line 1,033: Line 1,163:
 
| 2,941,141,560
  
| 2,941,141,560
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch5,10)|Watch5,10]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
Line 1,086: Line 1,226:
 
| 19S55
  
| 19S55
 
| [[JupiterC 19S55 (Watch5,11)|Watch5,11]]
  
| [[JupiterC 19S55 (Watch5,11)|Watch5,11]]
−
| rowspan="3" | 4.01.01
 +
| rowspan="4" | 4.01.01
 
| {{date|2021|12|13}}
  
| {{date|2021|12|13}}
 
| ?
  
| ?
Line 1,111: Line 1,251:
 
| 3,019,446,309
  
| 3,019,446,309
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch5,11)|Watch5,11]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
Line 1,164: Line 1,314:
 
| 19S55
  
| 19S55
 
| [[JupiterC 19S55 (Watch5,12)|Watch5,12]]
  
| [[JupiterC 19S55 (Watch5,12)|Watch5,12]]
−
| rowspan="3" | 4.01.01
 +
| rowspan="4" | 4.01.01
 
| {{date|2021|12|13}}
  
| {{date|2021|12|13}}
 
| ?
  
| ?
Line 1,189: Line 1,339:
 
| 2,997,000,009
  
| 2,997,000,009
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch5,12)|Watch5,12]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
Line 1,265: Line 1,425:
 
| 2,954,738,905
  
| 2,954,738,905
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch6,1)|Watch6,1]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
Line 1,340: Line 1,510:
 
| 2,932,178,613
  
| 2,932,178,613
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch6,2)|Watch6,2]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
Line 1,393: Line 1,573:
 
| 19S55
  
| 19S55
 
| [[JupiterC 19S55 (Watch6,3)|Watch6,3]]
  
| [[JupiterC 19S55 (Watch6,3)|Watch6,3]]
−
| rowspan="3" | 4.01.01
 +
| rowspan="4" | 4.01.01
 
| {{date|2021|12|13}}
  
| {{date|2021|12|13}}
 
| ?
  
| ?
Line 1,418: Line 1,598:
 
| 3,010,901,636
  
| 3,010,901,636
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch6,3)|Watch6,3]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
Line 1,471: Line 1,661:
 
| 19S55
  
| 19S55
 
| [[JupiterC 19S55 (Watch6,4)|Watch6,4]]
  
| [[JupiterC 19S55 (Watch6,4)|Watch6,4]]
−
| rowspan="3" | 4.01.01
 +
| rowspan="4" | 4.01.01
 
| {{date|2021|12|13}}
  
| {{date|2021|12|13}}
 
| ?
  
| ?
Line 1,496: Line 1,686:
 
| 2,988,743,909
  
| 2,988,743,909
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch6,4)|Watch6,4]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
Line 1,577: Line 1,777:
 
| 2,987,810,886
  
| 2,987,810,886
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch6,6)|Watch6,6]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
Line 1,657: Line 1,867:
 
| 2,981,528,045
  
| 2,981,528,045
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch6,7)|Watch6,7]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
Line 1,723: Line 1,943:
 
| 19S55
  
| 19S55
 
| [[JupiterC 19S55 (Watch6,8)|Watch6,8]]
  
| [[JupiterC 19S55 (Watch6,8)|Watch6,8]]
−
| rowspan="3" | 4.01.01
 +
| rowspan="4" | 4.01.01
 
| {{date|2021|12|13}}
  
| {{date|2021|12|13}}
 
| ?
  
| ?
Line 1,748: Line 1,968:
 
| 3,044,332,980
  
| 3,044,332,980
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch6,8)|Watch6,8]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   
Line 1,814: Line 2,044:
 
| 19S55
  
| 19S55
 
| [[JupiterC 19S55 (Watch6,9)|Watch6,9]]
  
| [[JupiterC 19S55 (Watch6,9)|Watch6,9]]
−
| rowspan="3" | 4.01.01
 +
| rowspan="4" | 4.01.01
 
| {{date|2021|12|13}}
  
| {{date|2021|12|13}}
 
| ?
  
| ?
Line 1,839: Line 2,069:
 
| 3,038,056,412
  
| 3,038,056,412
 
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  
| Nowrap | [https://support.apple.com/HT212790#841 Release Notes]
  +
|-
  +
| 8.4.2
  +
| 15.3.1
  +
| 19S553
  +
| [[JupiterD 19S553 (Watch6,9)|Watch6,9]]
  +
| {{date|2022|02|10}}
  +
| ?
  +
| <code>?</code>
  +
| ?
  +
| Nowrap | [https://support.apple.com/HT212790#842 Release Notes]
 
|}
  
|}
   

Revision as of 19:00, 12 February 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release 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 ? ? ? Release Notes
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