Firmware/Apple Watch/6.x

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Apple Watch Series 1

Watch2,6

Version Build Keys Release Date Release Notes
watchOS iOS
6.1 13.2 17S84 Watch2,6 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch2,6 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch2,6 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch2,6 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch2,6 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch2,6 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch2,6 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch2,6 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch2,6 15 Jul 2020 Release Notes
Security Notes
6.2.9 13.7 17U203 Watch2,6 5 Nov 2020 Release Notes
Security Notes
6.3 17U208 Watch2,6 14 Dec 2020 Release Notes
Security Notes

Watch2,7

Version Build Keys Release Date Release Notes
watchOS iOS
6.1 13.2 17S84 Watch2,7 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch2,7 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch2,7 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch2,7 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch2,7 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch2,7 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch2,7 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch2,7 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch2,7 15 Jul 2020 Release Notes
Security Notes
6.2.9 13.7 17U203 Watch2,7 5 Nov 2020 Release Notes
Security Notes
6.3 17U208 Watch2,7 14 Dec 2020 Release Notes
Security Notes

Apple Watch Series 2

Watch2,3

Version Build Keys Release Date Release Notes
watchOS iOS
6.1 13.2 17S84 Watch2,3 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch2,3 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch2,3 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch2,3 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch2,3 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch2,3 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch2,3 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch2,3 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch2,3 15 Jul 2020 Release Notes
Security Notes
6.2.9 13.7 17U203 Watch2,3 5 Nov 2020 Release Notes
Security Notes
6.3 17U208 Watch2,3 14 Dec 2020 Release Notes
Security Notes

Watch2,4

Version Build Keys Release Date Release Notes
watchOS iOS
6.1 13.2 17S84 Watch2,4 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch2,4 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch2,4 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch2,4 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch2,4 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch2,4 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch2,4 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch2,4 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch2,4 15 Jul 2020 Release Notes
Security Notes
6.2.9 13.7 17U203 Watch2,4 5 Nov 2020 Release Notes
Security Notes
6.3 17U208 Watch2,4 14 Dec 2020 Release Notes
Security Notes

Apple Watch Series 3

Watch3,1

Version Build Keys Baseband Release Date Release Notes
watchOS iOS
6.0 13.0 17R575 Watch3,1 4.00.00 19 Sep 2019 Release Notes
Security Notes
6.0.1 13.1.2 17R604 Watch3,1 30 Sep 2019 Release Notes
6.1 13.2 17S84 Watch3,1 4.10.02 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch3,1 4.30.02 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch3,1 4.40.02 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch3,1 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch3,1 4.50.01 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch3,1 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch3,1 4.60.01 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch3,1 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch3,1 4.70.01 15 Jul 2020 Release Notes
Security Notes

Watch3,2

Version Build Keys Baseband Release Date Release Notes
watchOS iOS
6.0 13.0 17R575 Watch3,2 4.00.00 19 Sep 2019 Release Notes
Security Notes
6.0.1 13.1.2 17R604 Watch3,2 30 Sep 2019 Release Notes
6.1 13.2 17S84 Watch3,2 4.10.02 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch3,2 4.30.02 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch3,2 4.40.02 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch3,2 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch3,2 4.50.01 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch3,2 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch3,2 4.60.01 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch3,2 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch3,2 4.70.01 15 Jul 2020 Release Notes
Security Notes

Watch3,3

Version Build Keys Release Date Release Notes
watchOS iOS
6.0 13.0 17R575 Watch3,3 19 Sep 2019 Release Notes
Security Notes
6.0.1 13.1.2 17R604 Watch3,3 30 Sep 2019 Release Notes
6.1 13.2 17S84 Watch3,3 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch3,3 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch3,3 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch3,3 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch3,3 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch3,3 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch3,3 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch3,3 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch3,3 15 Jul 2020 Release Notes
Security Notes

Watch3,4

Version Build Keys Release Date Release Notes
watchOS iOS
6.0 13.0 17R575 Watch3,4 19 Sep 2019 Release Notes
Security Notes
6.0.1 13.1.2 17R604 Watch3,4 30 Sep 2019 Release Notes
6.1 13.2 17S84 Watch3,4 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch3,4 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch3,4 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch3,4 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch3,4 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch3,4 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch3,4 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch3,4 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch3,4 15 Jul 2020 Release Notes
Security Notes

Apple Watch Series 4

Watch4,1

Version Build Keys Release Date Release Notes
watchOS iOS
6.0 13.0 17R575 Watch4,1 19 Sep 2019 Release Notes
Security Notes
6.0.1 13.1.2 17R605 Watch4,1 30 Sep 2019 Release Notes
6.1 13.2 17S84 Watch4,1 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch4,1 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch4,1 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch4,1 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch4,1 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch4,1 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch4,1 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch4,1 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch4,1 15 Jul 2020 Release Notes
Security Notes

Watch4,2

Version Build Keys Release Date Release Notes
watchOS iOS
6.0 13.0 17R575 Watch4,2 19 Sep 2019 Release Notes
Security Notes
6.0.1 13.1.2 17R605 Watch4,2 30 Sep 2019 Release Notes
6.1 13.2 17S84 Watch4,2 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch4,2 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch4,2 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch4,2 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch4,2 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch4,2 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch4,2 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch4,2 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch4,2 15 Jul 2020 Release Notes
Security Notes

Watch4,3

Version Build Keys Baseband Release Date Release Notes
watchOS iOS
6.0 13.0 17R575 Watch4,3 2.00.01 19 Sep 2019 Release Notes
Security Notes
6.0.1 13.1.2 17R605 Watch4,3 2.00.03 30 Sep 2019 Release Notes
6.1 13.2 17S84 Watch4,3 2.01.04 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch4,3 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch4,3 2.02.00 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch4,3 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch4,3 2.03.05 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch4,3 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch4,3 2.04.01 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch4,3 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch4,3 15 Jul 2020 Release Notes
Security Notes

Watch4,4

Version Build Keys Baseband Release Date Release Notes
watchOS iOS
6.0 13.0 17R575 Watch4,4 2.00.01 19 Sep 2019 Release Notes
Security Notes
6.0.1 13.1.2 17R605 Watch4,4 2.00.03 30 Sep 2019 Release Notes
6.1 13.2 17S84 Watch4,4 2.01.04 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch4,4 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch4,4 2.02.00 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch4,4 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch4,4 2.03.05 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch4,4 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch4,4 2.04.01 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch4,4 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch4,4 15 Jul 2020 Release Notes
Security Notes

Apple Watch Series 5

Watch5,1

Version Build Keys Release Date Release Notes
watchOS iOS
6.0 13.0 17R575 Watch5,1 19 Sep 2019 Release Notes
Security Notes
6.0.1 13.1.2 17R604 Watch5,1 30 Sep 2019 Release Notes
6.1 13.2 17S84 Watch5,1 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch5,1 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch5,1 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch5,1 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch5,1 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch5,1 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch5,1 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch5,1 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch5,1 15 Jul 2020 Release Notes
Security Notes

Watch5,2

Version Build Keys Release Date Release Notes
watchOS iOS
6.0 13.0 17R575 Watch5,2 19 Sep 2019 Release Notes
Security Notes
6.0.1 13.1.2 17R604 Watch5,2 30 Sep 2019 Release Notes
6.1 13.2 17S84 Watch5,2 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch5,2 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch5,2 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch5,2 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch5,2 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch5,2 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch5,2 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch5,2 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch5,2 15 Jul 2020 Release Notes
Security Notes

Watch5,3

Version Build Keys Baseband Release Date Release Notes
watchOS iOS
6.0 13.0 17R575 Watch5,3 2.00.01 19 Sep 2019 Release Notes
Security Notes
6.0.1 13.1.2 17R604 Watch5,3 2.00.03 30 Sep 2019 Release Notes
6.1 13.2 17S84 Watch5,3 2.01.04 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch5,3 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch5,3 2.02.00 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch5,3 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch5,3 2.03.05 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch5,3 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch5,3 2.04.01 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch5,3 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch5,3 15 Jul 2020 Release Notes
Security Notes

Watch5,4

Version Build Keys Baseband Release Date Release Notes
watchOS iOS
6.0 13.0 17R575 Watch5,4 2.00.01 19 Sep 2019 Release Notes
Security Notes
6.0.1 13.1.2 17R604 Watch5,4 2.00.03 30 Sep 2019 Release Notes
6.1 13.2 17S84 Watch5,4 2.01.04 29 Oct 2019 Release Notes
Security Notes
6.1.1 13.3 17S449 Watch5,4 10 Dec 2019 Release Notes
Security Notes
6.1.2 13.3.1 17S796 Watch5,4 2.02.00 28 Jan 2020 Release Notes
Security Notes
6.1.3 17S811 Watch5,4 18 Feb 2020 Release Notes
6.2 13.4 17T529 Watch5,4 2.03.05 24 Mar 2020 Release Notes
Security Notes
6.2.1 13.4.1 17T530 Watch5,4 8 Apr 2020 Release Notes
6.2.5 13.5 17T608 Watch5,4 2.04.01 18 May 2020 Release Notes
Security Notes
6.2.6 13.5.1 17T620 Watch5,4 1 Jun 2020 Release Notes
Security Notes
6.2.8 13.6 17U63 Watch5,4 15 Jul 2020 Release Notes
Security Notes