Beta Firmware/Apple Watch/8.x

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Apple Watch Series 3

Watch3,1

Version Build Keys Baseband Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch3,1 5.71.00 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch3,1 5.80.00 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch3,1 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch3,1 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch3,1 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch3,1 5.80.01 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch3,1 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch3,1 31 August 2021
8.0 RC 15.0 RC 19R346 Watch3,1 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch3,1 5.80.00 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch3,1 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch3,1 5.80.01 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch3,1 13 October 2021
8.1 RC 15.1 RC 19R570 Watch3,1 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch3,1 6.20.00 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch3,1 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch3,1 6.20.01 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch3,1 2 December 2021
8.3 RC 15.2 RC 19S55 Watch3,1 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch3,1 6.20.00 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch3,1 6.20.01 12 January 2022
8.4 RC 15.3 RC 19S546 Watch3,1 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch3,1 6.20.00 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch3,1 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch3,1 6.20.01 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch3,1 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch3,1 1 March 2022
8.5 RC 15.4 RC 19T242 Watch3,1 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch3,1 6.20.00 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch3,1 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch3,1 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch3,1 6.20.01 3 May 2022
8.6 RC 15.5 RC 19T572 Watch3,1 12 May 2022

Watch3,2

Version Build Keys Baseband Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch3,2 5.71.00 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch3,2 5.80.00 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch3,2 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch3,2 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch3,2 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch3,2 5.80.01 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch3,2 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch3,2 31 August 2021
8.0 RC 15.0 RC 19R346 Watch3,2 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch3,2 5.80.00 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch3,2 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch3,2 5.80.01 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch3,2 13 October 2021
8.1 RC 15.1 RC 19R570 Watch3,2 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch3,2 6.20.00 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch3,2 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch3,2 6.20.01 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch3,2 2 December 2021
8.3 RC 15.2 RC 19S55 Watch3,2 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch3,2 6.20.00 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch3,2 6.20.01 12 January 2022
8.4 RC 15.3 RC 19S546 Watch3,2 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch3,2 6.20.00 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch3,2 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch3,2 6.20.01 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch3,2 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch3,2 1 March 2022
8.5 RC 15.4 RC 19T242 Watch3,2 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch3,2 6.20.00 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch3,2 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch3,2 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch3,2 6.20.01 3 May 2022
8.6 RC 15.5 RC 19T572 Watch3,2 12 May 2022

Watch3,3

Version Build Keys Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch3,3 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch3,3 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch3,3 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch3,3 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch3,3 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch3,3 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch3,3 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch3,3 31 August 2021
8.0 RC 15.0 RC 19R346 Watch3,3 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch3,3 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch3,3 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch3,3 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch3,3 13 October 2021
8.1 RC 15.1 RC 19R570 Watch3,3 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch3,3 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch3,3 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch3,3 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch3,3 2 December 2021
8.3 RC 15.2 RC 19S55 Watch3,3 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch3,3 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch3,3 12 January 2022
8.4 RC 15.3 RC 19S546 Watch3,3 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch3,3 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch3,3 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch3,3 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch3,3 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch3,3 1 March 2022
8.5 RC 15.4 RC 19T242 Watch3,3 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch3,3 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch3,3 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch3,3 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch3,3 3 May 2022
8.6 RC 15.5 RC 19T572 Watch3,3 12 May 2022

Watch3,4

Version Build Keys Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch3,4 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch3,4 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch3,4 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch3,4 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch3,4 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch3,4 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch3,4 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch3,4 31 August 2021
8.0 RC 15.0 RC 19R346 Watch3,4 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch3,4 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch3,4 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch3,4 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch3,4 13 October 2021
8.1 RC 15.1 RC 19R570 Watch3,4 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch3,4 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch3,4 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch3,4 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch3,4 2 December 2021
8.3 RC 15.2 RC 19S55 Watch3,4 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch3,4 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch3,4 12 January 2022
8.4 RC 15.3 RC 19S546 Watch3,4 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch3,4 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch3,4 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch3,4 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch3,4 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch3,4 1 March 2022
8.5 RC 15.4 RC 19T242 Watch3,4 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch3,4 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch3,4 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch3,4 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch3,4 3 May 2022
8.6 RC 15.5 RC 19T572 Watch3,4 12 May 2022

Apple Watch Series 4

Watch4,1

Version Build Keys Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch4,1 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch4,1 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch4,1 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch4,1 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch4,1 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch4,1 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch4,1 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch4,1 31 August 2021
8.0 RC 15.0 RC 19R346 Watch4,1 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch4,1 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch4,1 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch4,1 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch4,1 13 October 2021
8.1 RC 15.1 RC 19R570 Watch4,1 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch4,1 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch4,1 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch4,1 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch4,1 2 December 2021
8.3 RC 15.2 RC 19S55 Watch4,1 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch4,1 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch4,1 12 January 2022
8.4 RC 15.3 RC 19S546 Watch4,1 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch4,1 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch4,1 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch4,1 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch4,1 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch4,1 1 March 2022
8.5 RC 15.4 RC 19T242 Watch4,1 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch4,1 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch4,1 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch4,1 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch4,1 3 May 2022
8.6 RC 15.5 RC 19T572 Watch4,1 12 May 2022

Watch4,2

Version Build Keys Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch4,2 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch4,2 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch4,2 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch4,2 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch4,2 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch4,2 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch4,2 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch4,2 31 August 2021
8.0 RC 15.0 RC 19R346 Watch4,2 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch4,2 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch4,2 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch4,2 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch4,2 13 October 2021
8.1 RC 15.1 RC 19R570 Watch4,2 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch4,2 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch4,2 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch4,2 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch4,2 2 December 2021
8.3 RC 15.2 RC 19S55 Watch4,2 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch4,2 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch4,2 12 January 2022
8.4 RC 15.3 RC 19S546 Watch4,2 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch4,2 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch4,2 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch4,2 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch4,2 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch4,2 1 March 2022
8.5 RC 15.4 RC 19T242 Watch4,2 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch4,2 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch4,2 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch4,2 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch4,2 3 May 2022
8.6 RC 15.5 RC 19T572 Watch4,2 12 May 2022

Watch4,3

Version Build Keys Baseband Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch4,3 3.50.16 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch4,3 3.50.17 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch4,3 3.50.18 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch4,3 3.50.19 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch4,3 3.50.20 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch4,3 4.00.00 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch4,3 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch4,3 31 August 2021
8.0 RC 15.0 RC 19R346 Watch4,3 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch4,3 3.50.20 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch4,3 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch4,3 4.00.00 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch4,3 13 October 2021
8.1 RC 15.1 RC 19R570 Watch4,3 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch4,3 3.50.20 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch4,3 4.01.00 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch4,3 4.01.01 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch4,3 2 December 2021
8.3 RC 15.2 RC 19S55 Watch4,3 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch4,3 4.01.00 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch4,3 4.01.01 12 January 2022
8.4 RC 15.3 RC 19S546 Watch4,3 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch4,3 4.01.00 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch4,3 4.02.00 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch4,3 4.02.01 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch4,3 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch4,3 1 March 2022
8.5 RC 15.4 RC 19T242 Watch4,3 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch4,3 4.03.00 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch4,3 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch4,3 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch4,3 4.03.01 3 May 2022
8.6 RC 15.5 RC 19T572 Watch4,3 12 May 2022

Watch4,4

Version Build Keys Baseband Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch4,4 3.50.16 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch4,4 3.50.17 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch4,4 3.50.18 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch4,4 3.50.19 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch4,4 3.50.20 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch4,4 4.00.00 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch4,4 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch4,4 31 August 2021
8.0 RC 15.0 RC 19R346 Watch4,4 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch4,4 3.50.20 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch4,4 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch4,4 4.00.00 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch4,4 13 October 2021
8.1 RC 15.1 RC 19R570 Watch4,4 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch4,4 3.50.20 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch4,4 4.01.00 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch4,4 4.01.01 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch4,4 2 December 2021
8.3 RC 15.2 RC 19S55 Watch4,4 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch4,4 4.01.00 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch4,4 4.01.01 12 January 2022
8.4 RC 15.3 RC 19S546 Watch4,4 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch4,4 4.01.00 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch4,4 4.02.00 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch4,4 4.02.01 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch4,4 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch4,4 1 March 2022
8.5 RC 15.4 RC 19T242 Watch4,4 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch4,4 4.03.00 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch4,4 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch4,4 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch4,4 4.03.01 3 May 2022
8.6 RC 15.5 RC 19T572 Watch4,4 12 May 2022

Apple Watch Series 5

Watch5,1

Version Build Keys Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch5,1 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch5,1 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch5,1 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch5,1 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch5,1 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch5,1 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch5,1 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch5,1 31 August 2021
8.0 RC 15.0 RC 19R346 Watch5,1 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch5,1 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch5,1 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch5,1 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch5,1 13 October 2021
8.1 RC 15.1 RC 19R570 Watch5,1 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch5,1 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch5,1 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch5,1 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch5,1 2 December 2021
8.3 RC 15.2 RC 19S55 Watch5,1 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch5,1 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch5,1 12 January 2022
8.4 RC 15.3 RC 19S546 Watch5,1 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch5,1 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch5,1 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch5,1 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch5,1 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch5,1 1 March 2022
8.5 RC 15.4 RC 19T242 Watch5,1 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch5,1 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch5,1 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch5,1 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch5,1 3 May 2022
8.6 RC 15.5 RC 19T572 Watch5,1 12 May 2022

Watch5,2

Version Build Keys Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch5,2 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch5,2 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch5,2 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch5,2 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch5,2 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch5,2 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch5,2 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch5,2 31 August 2021
8.0 RC 15.0 RC 19R346 Watch5,2 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch5,2 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch5,2 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch5,2 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch5,2 13 October 2021
8.1 RC 15.1 RC 19R570 Watch5,2 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch5,2 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch5,2 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch5,2 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch5,2 2 December 2021
8.3 RC 15.2 RC 19S55 Watch5,2 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch5,2 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch5,2 12 January 2022
8.4 RC 15.3 RC 19S546 Watch5,2 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch5,2 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch5,2 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch5,2 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch5,2 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch5,2 1 March 2022
8.5 RC 15.4 RC 19T242 Watch5,2 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch5,2 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch5,2 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch5,2 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch5,2 3 May 2022
8.6 RC 15.5 RC 19T572 Watch5,2 12 May 2022

Watch5,3

Version Build Keys Baseband Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch5,3 3.50.16 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch5,3 3.50.17 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch5,3 3.50.18 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch5,3 3.50.19 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch5,3 3.50.20 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch5,3 4.00.00 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch5,3 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch5,3 31 August 2021
8.0 RC 15.0 RC 19R346 Watch5,3 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch5,3 3.50.20 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch5,3 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch5,3 4.00.00 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch5,3 13 October 2021
8.1 RC 15.1 RC 19R570 Watch5,3 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch5,3 3.50.20 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch5,3 4.01.00 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch5,3 4.01.01 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch5,3 2 December 2021
8.3 RC 15.2 RC 19S55 Watch5,3 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch5,3 4.01.00 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch5,3 4.01.01 12 January 2022
8.4 RC 15.3 RC 19S546 Watch5,3 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch5,3 4.01.00 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch5,3 4.02.00 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch5,3 4.02.01 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch5,3 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch5,3 1 March 2022
8.5 RC 15.4 RC 19T242 Watch5,3 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch5,3 4.03.00 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch5,3 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch5,3 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch5,3 4.03.01 3 May 2022
8.6 RC 15.5 RC 19T572 Watch5,3 12 May 2022

Watch5,4

Version Build Keys Baseband Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch5,4 3.50.16 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch5,4 3.50.17 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch5,4 3.50.18 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch5,4 3.50.19 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch5,4 3.50.20 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch5,4 4.00.00 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch5,4 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch5,4 31 August 2021
8.0 RC 15.0 RC 19R346 Watch5,4 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch5,4 3.50.20 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch5,4 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch5,4 4.00.00 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch5,4 13 October 2021
8.1 RC 15.1 RC 19R570 Watch5,4 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch5,4 3.50.20 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch5,4 4.01.00 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch5,4 4.01.01 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch5,4 2 December 2021
8.3 RC 15.2 RC 19S55 Watch5,4 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch5,4 4.01.00 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch5,4 4.01.01 12 January 2022
8.4 RC 15.3 RC 19S546 Watch5,4 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch5,4 4.01.00 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch5,4 4.02.00 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch5,4 4.02.01 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch5,4 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch5,4 1 March 2022
8.5 RC 15.4 RC 19T242 Watch5,4 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch5,4 4.03.00 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch5,4 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch5,4 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch5,4 4.03.01 3 May 2022
8.6 RC 15.5 RC 19T572 Watch5,4 12 May 2022

Apple Watch SE

Watch5,9

Version Build Keys Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch5,9 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch5,9 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch5,9 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch5,9 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch5,9 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch5,9 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch5,9 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch5,9 31 August 2021
8.0 RC 15.0 RC 19R346 Watch5,9 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch5,9 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch5,9 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch5,9 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch5,9 13 October 2021
8.1 RC 15.1 RC 19R570 Watch5,9 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch5,9 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch5,9 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch5,9 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch5,9 2 December 2021
8.3 RC 15.2 RC 19S55 Watch5,9 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch5,9 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch5,9 12 January 2022
8.4 RC 15.3 RC 19S546 Watch5,9 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch5,9 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch5,9 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch5,9 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch5,9 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch5,9 1 March 2022
8.5 RC 15.4 RC 19T242 Watch5,9 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch5,9 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch5,9 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch5,9 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch5,9 3 May 2022
8.6 RC 15.5 RC 19T572 Watch5,9 12 May 2022

Watch5,10

Version Build Keys Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch5,10 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch5,10 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch5,10 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch5,10 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch5,10 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch5,10 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch5,10 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch5,10 31 August 2021
8.0 RC 15.0 RC 19R346 Watch5,10 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch5,10 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch5,10 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch5,10 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch5,10 13 October 2021
8.1 RC 15.1 RC 19R570 Watch5,10 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch5,10 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch5,10 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch5,10 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch5,10 2 December 2021
8.3 RC 15.2 RC 19S55 Watch5,10 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch5,10 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch5,10 12 January 2022
8.4 RC 15.3 RC 19S546 Watch5,10 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch5,10 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch5,10 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch5,10 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch5,10 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch5,10 1 March 2022
8.5 RC 15.4 RC 19T242 Watch5,10 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch5,10 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch5,10 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch5,10 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch5,10 3 May 2022
8.6 RC 15.5 RC 19T572 Watch5,10 12 May 2022

Watch5,11

Version Build Keys Baseband Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch5,11 3.50.16 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch5,11 3.50.17 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch5,11 3.50.18 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch5,11 3.50.19 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch5,11 3.50.20 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch5,11 4.00.00 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch5,11 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch5,11 31 August 2021
8.0 RC 15.0 RC 19R346 Watch5,11 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch5,11 3.50.20 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch5,11 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch5,11 4.00.00 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch5,11 13 October 2021
8.1 RC 15.1 RC 19R570 Watch5,11 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch5,11 3.50.20 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch5,11 4.01.00 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch5,11 4.01.01 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch5,11 2 December 2021
8.3 RC 15.2 RC 19S55 Watch5,11 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch5,11 4.01.00 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch5,11 4.01.01 12 January 2022
8.4 RC 15.3 RC 19S546 Watch5,11 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch5,11 4.01.00 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch5,11 4.02.00 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch5,11 4.02.01 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch5,11 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch5,11 1 March 2022
8.5 RC 15.4 RC 19T242 Watch5,11 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch5,11 4.03.00 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch5,11 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch5,11 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch5,11 4.03.01 3 May 2022
8.6 RC 15.5 RC 19T572 Watch5,11 12 May 2022

Watch5,12

Version Build Keys Baseband Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch5,12 3.50.16 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch5,12 3.50.17 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch5,12 3.50.18 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch5,12 3.50.19 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch5,12 3.50.20 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch5,12 4.00.00 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch5,12 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch5,12 31 August 2021
8.0 RC 15.0 RC 19R346 Watch5,12 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch5,12 3.50.20 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch5,12 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch5,12 4.00.00 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch5,12 13 October 2021
8.1 RC 15.1 RC 19R570 Watch5,12 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch5,12 3.50.20 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch5,12 4.01.00 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch5,12 4.01.01 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch5,12 2 December 2021
8.3 RC 15.2 RC 19S55 Watch5,12 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch5,12 4.01.00 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch5,12 4.01.01 12 January 2022
8.4 RC 15.3 RC 19S546 Watch5,12 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch5,12 4.01.00 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch5,12 4.02.00 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch5,12 4.02.01 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch5,12 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch5,12 1 March 2022
8.5 RC 15.4 RC 19T242 Watch5,12 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch5,12 4.03.00 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch5,12 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch5,12 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch5,12 4.03.01 3 May 2022
8.6 RC 15.5 RC 19T572 Watch5,12 12 May 2022

Apple Watch Series 6

Watch6,1

Version Build Keys Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch6,1 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch6,1 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch6,1 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch6,1 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch6,1 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch6,1 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch6,1 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch6,1 31 August 2021
8.0 RC 15.0 RC 19R346 Watch6,1 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch6,1 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch6,1 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch6,1 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch6,1 13 October 2021
8.1 RC 15.1 RC 19R570 Watch6,1 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch6,1 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch6,1 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch6,1 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch6,1 2 December 2021
8.3 RC 15.2 RC 19S55 Watch6,1 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch6,1 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch6,1 12 January 2022
8.4 RC 15.3 RC 19S546 Watch6,1 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch6,1 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch6,1 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch6,1 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch6,1 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch6,1 1 March 2022
8.5 RC 15.4 RC 19T242 Watch6,1 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch6,1 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch6,1 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch6,1 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch6,1 3 May 2022
8.6 RC 15.5 RC 19T572 Watch6,1 12 May 2022

Watch6,2

Version Build Keys Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch6,2 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch6,2 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch6,2 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch6,2 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch6,2 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch6,2 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch6,2 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch6,2 31 August 2021
8.0 RC 15.0 RC 19R346 Watch6,2 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch6,2 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch6,2 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch6,2 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch6,2 13 October 2021
8.1 RC 15.1 RC 19R570 Watch6,2 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch6,2 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch6,2 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch6,2 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch6,2 2 December 2021
8.3 RC 15.2 RC 19S55 Watch6,2 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch6,2 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch6,2 12 January 2022
8.4 RC 15.3 RC 19S546 Watch6,2 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch6,2 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch6,2 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch6,2 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch6,2 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch6,2 1 March 2022
8.5 RC 15.4 RC 19T242 Watch6,2 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch6,2 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch6,2 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch6,2 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch6,2 3 May 2022
8.6 RC 15.5 RC 19T572 Watch6,2 12 May 2022

Watch6,3

Version Build Keys Baseband Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch6,3 3.50.16 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch6,3 3.50.17 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch6,3 3.50.18 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch6,3 3.50.19 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch6,3 3.50.20 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch6,3 4.00.00 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch6,3 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch6,3 31 August 2021
8.0 RC 15.0 RC 19R346 Watch6,3 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch6,3 3.50.20 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch6,3 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch6,3 4.00.00 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch6,3 13 October 2021
8.1 RC 15.1 RC 19R570 Watch6,3 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch6,3 3.50.20 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch6,3 4.01.00 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch6,3 4.01.01 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch6,3 2 December 2021
8.3 RC 15.2 RC 19S55 Watch6,3 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch6,3 4.01.00 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch6,3 4.01.01 12 January 2022
8.4 RC 15.3 RC 19S546 Watch6,3 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch6,3 4.01.00 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch6,3 4.02.00 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch6,3 4.02.01 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch6,3 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch6,3 1 March 2022
8.5 RC 15.4 RC 19T242 Watch6,3 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch6,3 4.03.00 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch6,3 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch6,3 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch6,3 4.03.01 3 May 2022
8.6 RC 15.5 RC 19T572 Watch6,3 12 May 2022

Watch6,4

Version Build Keys Baseband Release Date
watchOS iOS
8.0 beta 15.0 beta 19R5266q Watch6,4 3.50.16 7 June 2021
8.0 beta 2 15.0 beta 2 19R5286f Watch6,4 3.50.17 24 June 2021
8.0 beta 3 15.0 beta 3 19R5302f Watch6,4 3.50.18 14 July 2021
8.0 beta 4 15.0 beta 4 19R5312e Watch6,4 3.50.19 27 July 2021
8.0 beta 5 15.0 beta 5 19R5323g Watch6,4 3.50.20 11 August 2021
8.0 beta 6 15.0 beta 6 19R5330d Watch6,4 4.00.00 17 August 2021
8.0 beta 7 15.0 beta 7 19R5340a Watch6,4 25 August 2021
8.0 beta 8 15.0 beta 8 19R5342a Watch6,4 31 August 2021
8.0 RC 15.0 RC 19R346 Watch6,4 14 September 2021
8.1 beta 15.1 beta 19R5541f Watch6,4 3.50.20 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch6,4 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch6,4 4.00.00 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch6,4 13 October 2021
8.1 RC 15.1 RC 19R570 Watch6,4 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch6,4 3.50.20 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch6,4 4.01.00 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch6,4 4.01.01 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch6,4 2 December 2021
8.3 RC 15.2 RC 19S55 Watch6,4 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch6,4 4.01.00 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch6,4 4.01.01 12 January 2022
8.4 RC 15.3 RC 19S546 Watch6,4 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch6,4 4.01.00 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch6,4 4.02.00 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch6,4 4.02.01 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch6,4 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch6,4 1 March 2022
8.5 RC 15.4 RC 19T242 Watch6,4 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch6,4 4.03.00 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch6,4 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch6,4 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch6,4 4.03.01 3 May 2022
8.6 RC 15.5 RC 19T572 Watch6,4 12 May 2022

Apple Watch Series 7

Watch6,6

Version Build Keys Release Date
watchOS iOS
8.1 beta 15.1 beta 19R5541f Watch6,6 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch6,6 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch6,6 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch6,6 13 October 2021
8.1 RC 15.1 RC 19R570 Watch6,6 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch6,6 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch6,6 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch6,6 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch6,6 2 December 2021
8.3 RC 15.2 RC 19S55 Watch6,6 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch6,6 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch6,6 12 January 2022
8.4 RC 15.3 RC 19S546 Watch6,6 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch6,6 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch6,6 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch6,6 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch6,6 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch6,6 1 March 2022
8.5 RC 15.4 RC 19T242 Watch6,6 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch6,6 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch6,6 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch6,6 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch6,6 3 May 2022
8.6 RC 15.5 RC 19T572 Watch6,6 12 May 2022

Watch6,7

Version Build Keys Release Date
watchOS iOS
8.1 beta 15.1 beta 19R5541f Watch6,7 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch6,7 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch6,7 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch6,7 13 October 2021
8.1 RC 15.1 RC 19R570 Watch6,7 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch6,7 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch6,7 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch6,7 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch6,7 2 December 2021
8.3 RC 15.2 RC 19S55 Watch6,7 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch6,7 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch6,7 12 January 2022
8.4 RC 15.3 RC 19S546 Watch6,7 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch6,7 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch6,7 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch6,7 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch6,7 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch6,7 1 March 2022
8.5 RC 15.4 RC 19T242 Watch6,7 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch6,7 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch6,7 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch6,7 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch6,7 3 May 2022
8.6 RC 15.5 RC 19T572 Watch6,7 12 May 2022

Watch6,8

Version Build Keys Baseband Release Date
watchOS iOS
8.1 beta 15.1 beta 19R5541f Watch6,8 3.50.20 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch6,8 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch6,8 4.00.00 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch6,8 13 October 2021
8.1 RC 15.1 RC 19R570 Watch6,8 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch6,8 3.50.20 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch6,8 4.01.00 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch6,8 4.01.01 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch6,8 2 December 2021
8.3 RC 15.2 RC 19S55 Watch6,8 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch6,8 4.01.00 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch6,8 4.01.01 12 January 2022
8.4 RC 15.3 RC 19S546 Watch6,8 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch6,8 4.01.00 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch6,8 4.02.00 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch6,8 4.02.01 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch6,8 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch6,8 1 March 2022
8.5 RC 15.4 RC 19T242 Watch6,8 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch6,8 4.03.00 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch6,8 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch6,8 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch6,8 4.03.01 3 May 2022
8.6 RC 15.5 RC 19T572 Watch6,8 12 May 2022

Watch6,9

Version Build Keys Baseband Release Date
watchOS iOS
8.1 beta 15.1 beta 19R5541f Watch6,9 3.50.20 21 September 2021
8.1 beta 2 15.1 beta 2 19R5551d Watch6,9 28 September 2021
8.1 beta 3 15.1 beta 3 19R5559e Watch6,9 4.00.00 6 October 2021
8.1 beta 4 15.1 beta 4 19R5566a Watch6,9 13 October 2021
8.1 RC 15.1 RC 19R570 Watch6,9 18 October 2021
8.3 beta 15.2 beta 19S5026e Watch6,9 3.50.20 27 October 2021
8.3 beta 2 15.2 beta 2 19S5036d Watch6,9 4.01.00 9 November 2021
8.3 beta 3 15.2 beta 3 19S5044c Watch6,9 4.01.01 16 November 2021
8.3 beta 4 15.2 beta 4 19S5050c Watch6,9 2 December 2021
8.3 RC 15.2 RC 19S55 Watch6,9 7 December 2021
8.4 beta 15.3 beta 19S5525f Watch6,9 4.01.00 17 December 2021
8.4 beta 2 15.3 beta 2 19S5539e Watch6,9 4.01.01 12 January 2022
8.4 RC 15.3 RC 19S546 Watch6,9 20 January 2022
8.5 beta 15.4 beta 19T5212h Watch6,9 4.01.00 27 January 2022
8.5 beta 2 15.4 beta 2 19T5223e Watch6,9 4.02.00 8 February 2022
8.5 beta 3 15.4 beta 3 19T5228d Watch6,9 4.02.01 15 February 2022
8.5 beta 4 15.4 beta 4 19T5238a Watch6,9 22 February 2022
8.5 beta 5 15.4 beta 5 19T5241a Watch6,9 1 March 2022
8.5 RC 15.4 RC 19T242 Watch6,9 8 March 2022
8.6 beta 15.5 beta 19T5547f Watch6,9 4.03.00 5 April 2022
8.6 beta 2 15.5 beta 2 19T5557d Watch6,9 19 April 2022
8.6 beta 3 15.5 beta 3 19T5562f Watch6,9 26 April 2022
8.6 beta 4 15.5 beta 4 19T5570a Watch6,9 4.03.01 3 May 2022
8.6 RC 15.5 RC 19T572 Watch6,9 12 May 2022