Beta Firmware/Apple Watch/6.x

From The Apple Wiki

Apple Watch Series 1

Watch2,6

Version Build Keys Release Date
6.0 beta 17R5491t Watch2,6 3 June 2019
6.0 beta 2 17R5507l Watch2,6 17 June 2019
6.0 beta 3 17R5521e Watch2,6 2 July 2019
6.0 beta 4 17R5532f Watch2,6 17 July 2019
6.0 beta 5 17R5546f Watch2,6 30 July 2019
6.0 beta 6 17R5556d Watch2,6 7 August 2019
6.0 beta 7 17R5566a Watch2,6 15 August 2019
6.0 beta 8 17R5571a Watch2,6 21 August 2019
6.0 beta 9 17R5575a Watch2,6 27 August 2019
6.0 GM 17R575 Watch2,6 11 September 2019
6.1 beta 17S5054e Watch2,6 23 September 2019
6.1 beta 2 17S5059e Watch2,6 2 October 2019
6.1 beta 3 17S5068e Watch2,6 10 October 2019
6.1 beta 4 17S5076a Watch2,6 16 October 2019
6.1 beta 5 17S5083a Watch2,6 23 October 2019
6.1.1 beta 17S5433b Watch2,6 5 November 2019
6.1.1 beta 2 17S5439a Watch2,6 12 November 2019
6.1.1 beta 3 17S5446a Watch2,6 20 November 2019
6.1.1 beta 4 17S5449b Watch2,6 5 December 2019
6.1.2 beta 17S5775c Watch2,6 17 December 2019
6.1.2 beta 2 17S5792a Watch2,6 14 January 2020
6.1.2 beta 3 17S5796a Watch2,6 22 January 2020
6.2 beta 17T5224g Watch2,6 5 February 2020
6.2 beta 2 17T5234f Watch2,6 19 February 2020
6.2 beta 3 17T5244c Watch2,6 26 February 2020
6.2 beta 4 17T5251a Watch2,6 4 March 2020
6.2 beta 5 17T5254a Watch2,6 11 March 2020
6.2 beta 6 17T529 Watch2,6 18 March 2020
6.2.5 beta 17T5580e Watch2,6 1 April 2020
6.2.5 beta 2 17T5590d Watch2,6 15 April 2020
6.2.5 beta 3 17T5600c Watch2,6 29 April 2020
6.2.5 beta 4 17T5607a Watch2,6 6 May 2020
6.2.5 beta 5 17T608 Watch2,6 14 May 2020
6.2.8 beta 17U5535e Watch2,6 3 June 2020
6.2.8 beta 2 17U5545c Watch2,6 10 June 2020
6.2.8 beta 3 17U5559d Watch2,6 30 June 2020
6.2.8 GM 17U63 Watch2,6 9 July 2020

Watch2,7

Version Build Keys Release Date
6.0 beta 17R5491t Watch2,7 3 June 2019
6.0 beta 2 17R5507l Watch2,7 17 June 2019
6.0 beta 3 17R5521e Watch2,7 2 July 2019
6.0 beta 4 17R5532f Watch2,7 17 July 2019
6.0 beta 5 17R5546f Watch2,7 30 July 2019
6.0 beta 6 17R5556d Watch2,7 7 August 2019
6.0 beta 7 17R5566a Watch2,7 15 August 2019
6.0 beta 8 17R5571a Watch2,7 21 August 2019
6.0 beta 9 17R5575a Watch2,7 27 August 2019
6.0 GM 17R575 Watch2,7 11 September 2019
6.1 beta 17S5054e Watch2,7 23 September 2019
6.1 beta 2 17S5059e Watch2,7 2 October 2019
6.1 beta 3 17S5068e Watch2,7 10 October 2019
6.1 beta 4 17S5076a Watch2,7 16 October 2019
6.1 beta 5 17S5083a Watch2,7 23 October 2019
6.1.1 beta 17S5433b Watch2,7 5 November 2019
6.1.1 beta 2 17S5439a Watch2,7 12 November 2019
6.1.1 beta 3 17S5446a Watch2,7 20 November 2019
6.1.1 beta 4 17S5449b Watch2,7 5 December 2019
6.1.2 beta 17S5775c Watch2,7 17 December 2019
6.1.2 beta 2 17S5792a Watch2,7 14 January 2020
6.1.2 beta 3 17S5796a Watch2,7 22 January 2020
6.2 beta 17T5224g Watch2,7 5 February 2020
6.2 beta 2 17T5234f Watch2,7 19 February 2020
6.2 beta 3 17T5244c Watch2,7 26 February 2020
6.2 beta 4 17T5251a Watch2,7 4 March 2020
6.2 beta 5 17T5254a Watch2,7 11 March 2020
6.2 beta 6 17T529 Watch2,7 18 March 2020
6.2.5 beta 17T5580e Watch2,7 1 April 2020
6.2.5 beta 2 17T5590d Watch2,7 15 April 2020
6.2.5 beta 3 17T5600c Watch2,7 29 April 2020
6.2.5 beta 4 17T5607a Watch2,7 6 May 2020
6.2.5 beta 5 17T608 Watch2,7 14 May 2020
6.2.8 beta 17U5535e Watch2,7 3 June 2020
6.2.8 beta 2 17U5545c Watch2,7 10 June 2020
6.2.8 beta 3 17U5559d Watch2,7 30 June 2020
6.2.8 GM 17U63 Watch2,7 9 July 2020

Apple Watch Series 2

Watch2,3

Version Build Keys Release Date
6.0 beta 17R5491t Watch2,3 3 June 2019
6.0 beta 2 17R5507l Watch2,3 17 June 2019
6.0 beta 3 17R5521e Watch2,3 2 July 2019
6.0 beta 4 17R5532f Watch2,3 17 July 2019
6.0 beta 5 17R5546f Watch2,3 30 July 2019
6.0 beta 6 17R5556d Watch2,3 7 August 2019
6.0 beta 7 17R5566a Watch2,3 15 August 2019
6.0 beta 8 17R5571a Watch2,3 21 August 2019
6.0 beta 9 17R5575a Watch2,3 27 August 2019
6.0 GM 17R575 Watch2,3 11 September 2019
6.1 beta 17S5054e Watch2,3 23 September 2019
6.1 beta 2 17S5059e Watch2,3 2 October 2019
6.1 beta 3 17S5068e Watch2,3 10 October 2019
6.1 beta 4 17S5076a Watch2,3 16 October 2019
6.1 beta 5 17S5083a Watch2,3 23 October 2019
6.1.1 beta 17S5433b Watch2,3 5 November 2019
6.1.1 beta 2 17S5439a Watch2,3 12 November 2019
6.1.1 beta 3 17S5446a Watch2,3 20 November 2019
6.1.1 beta 4 17S5449b Watch2,3 5 December 2019
6.1.2 beta 17S5775c Watch2,3 17 December 2019
6.1.2 beta 2 17S5792a Watch2,3 14 January 2020
6.1.2 beta 3 17S5796a Watch2,3 22 January 2020
6.2 beta 17T5224g Watch2,3 5 February 2020
6.2 beta 2 17T5234f Watch2,3 19 February 2020
6.2 beta 3 17T5244c Watch2,3 26 February 2020
6.2 beta 4 17T5251a Watch2,3 4 March 2020
6.2 beta 5 17T5254a Watch2,3 11 March 2020
6.2 beta 6 17T529 Watch2,3 18 March 2020
6.2.5 beta 17T5580e Watch2,3 1 April 2020
6.2.5 beta 2 17T5590d Watch2,3 15 April 2020
6.2.5 beta 3 17T5600c Watch2,3 29 April 2020
6.2.5 beta 4 17T5607a Watch2,3 6 May 2020
6.2.5 beta 5 17T608 Watch2,3 14 May 2020
6.2.8 beta 17U5535e Watch2,3 3 June 2020
6.2.8 beta 2 17U5545c Watch2,3 10 June 2020
6.2.8 beta 3 17U5559d Watch2,3 30 June 2020
6.2.8 GM 17U63 Watch2,3 9 July 2020

Watch2,4

Version Build Keys Release Date
6.0 beta 17R5491t Watch2,4 3 June 2019
6.0 beta 2 17R5507l Watch2,4 17 June 2019
6.0 beta 3 17R5521e Watch2,4 2 July 2019
6.0 beta 4 17R5532f Watch2,4 17 July 2019
6.0 beta 5 17R5546f Watch2,4 30 July 2019
6.0 beta 6 17R5556d Watch2,4 7 August 2019
6.0 beta 7 17R5566a Watch2,4 15 August 2019
6.0 beta 8 17R5571a Watch2,4 21 August 2019
6.0 beta 9 17R5575a Watch2,4 27 August 2019
6.0 GM 17R575 Watch2,4 11 September 2019
6.1 beta 17S5054e Watch2,4 23 September 2019
6.1 beta 2 17S5059e Watch2,4 2 October 2019
6.1 beta 3 17S5068e Watch2,4 10 October 2019
6.1 beta 4 17S5076a Watch2,4 16 October 2019
6.1 beta 5 17S5083a Watch2,4 23 October 2019
6.1.1 beta 17S5433b Watch2,4 5 November 2019
6.1.1 beta 2 17S5439a Watch2,4 12 November 2019
6.1.1 beta 3 17S5446a Watch2,4 20 November 2019
6.1.1 beta 4 17S5449b Watch2,4 5 December 2019
6.1.2 beta 17S5775c Watch2,4 17 December 2019
6.1.2 beta 2 17S5792a Watch2,4 14 January 2020
6.1.2 beta 3 17S5796a Watch2,4 22 January 2020
6.2 beta 17T5224g Watch2,4 5 February 2020
6.2 beta 2 17T5234f Watch2,4 19 February 2020
6.2 beta 3 17T5244c Watch2,4 26 February 2020
6.2 beta 4 17T5251a Watch2,4 4 March 2020
6.2 beta 5 17T5254a Watch2,4 11 March 2020
6.2 beta 6 17T529 Watch2,4 18 March 2020
6.2.5 beta 17T5580e Watch2,4 1 April 2020
6.2.5 beta 2 17T5590d Watch2,4 15 April 2020
6.2.5 beta 3 17T5600c Watch2,4 29 April 2020
6.2.5 beta 4 17T5607a Watch2,4 6 May 2020
6.2.5 beta 5 17T608 Watch2,4 14 May 2020
6.2.8 beta 17U5535e Watch2,4 3 June 2020
6.2.8 beta 2 17U5545c Watch2,4 10 June 2020
6.2.8 beta 3 17U5559d Watch2,4 30 June 2020
6.2.8 GM 17U63 Watch2,4 9 July 2020

Apple Watch Series 3

Watch3,1

Version Build Keys Baseband Release Date
6.0 beta 17R5491t Watch3,1 3.01.00 3 June 2019
6.0 beta 2 17R5507l Watch3,1 3.02.00 17 June 2019
6.0 beta 3 17R5521e Watch3,1 3.03.00 2 July 2019
6.0 beta 4 17R5532f Watch3,1 3.04.00 17 July 2019
6.0 beta 5 17R5546f Watch3,1 3.04.02 30 July 2019
6.0 beta 6 17R5556d Watch3,1 4.00.00 7 August 2019
6.0 beta 7 17R5566a Watch3,1 15 August 2019
6.0 beta 8 17R5571a Watch3,1 21 August 2019
6.0 beta 9 17R5575a Watch3,1 27 August 2019
6.0 GM 17R575 Watch3,1 11 September 2019
6.1 beta 17S5054e Watch3,1 4.10.00 23 September 2019
6.1 beta 2 17S5059e Watch3,1 4.10.01 2 October 2019
6.1 beta 3 17S5068e Watch3,1 4.10.02 10 October 2019
6.1 beta 4 17S5076a Watch3,1 16 October 2019
6.1 beta 5 17S5083a Watch3,1 23 October 2019
6.1.1 beta 17S5433b Watch3,1 4.30.00 5 November 2019
6.1.1 beta 2 17S5439a Watch3,1 4.30.02 12 November 2019
6.1.1 beta 3 17S5446a Watch3,1 20 November 2019
6.1.1 beta 4 17S5449b Watch3,1 5 December 2019
6.1.2 beta 17S5775c Watch3,1 4.40.01 17 December 2019
6.1.2 beta 2 17S5792a Watch3,1 4.40.02 14 January 2020
6.1.2 beta 3 17S5796a Watch3,1 22 January 2020
6.2 beta 17T5224g Watch3,1 4.50.00 5 February 2020
6.2 beta 2 17T5234f Watch3,1 19 February 2020
6.2 beta 3 17T5244c Watch3,1 4.50.01 26 February 2020
6.2 beta 4 17T5251a Watch3,1 4 March 2020
6.2 beta 5 17T5254a Watch3,1 11 March 2020
6.2 beta 6 17T529 Watch3,1 18 March 2020
6.2.5 beta 17T5580e Watch3,1 4.60.00 1 April 2020
6.2.5 beta 2 17T5590d Watch3,1 4.60.01 15 April 2020
6.2.5 beta 3 17T5600c Watch3,1 29 April 2020
6.2.5 beta 4 17T5607a Watch3,1 6 May 2020
6.2.5 beta 5 17T608 Watch3,1 14 May 2020
6.2.8 beta 17U5535e Watch3,1 4.60.00 3 June 2020
6.2.8 beta 2 17U5545c Watch3,1 10 June 2020
6.2.8 beta 3 17U5559d Watch3,1 4.70.01 30 June 2020
6.2.8 GM 17U63 Watch3,1 9 July 2020

Watch3,2

Version Build Keys Baseband Release Date
6.0 beta 17R5491t Watch3,2 3.01.00 3 June 2019
6.0 beta 2 17R5507l Watch3,2 3.02.00 17 June 2019
6.0 beta 3 17R5521e Watch3,2 3.03.00 2 July 2019
6.0 beta 4 17R5532f Watch3,2 3.04.00 17 July 2019
6.0 beta 5 17R5546f Watch3,2 3.04.02 30 July 2019
6.0 beta 6 17R5556d Watch3,2 4.00.00 7 August 2019
6.0 beta 7 17R5566a Watch3,2 15 August 2019
6.0 beta 8 17R5571a Watch3,2 21 August 2019
6.0 beta 9 17R5575a Watch3,2 27 August 2019
6.0 GM 17R575 Watch3,2 11 September 2019
6.1 beta 17S5054e Watch3,2 4.10.00 23 September 2019
6.1 beta 2 17S5059e Watch3,2 4.10.01 2 October 2019
6.1 beta 3 17S5068e Watch3,2 4.10.02 10 October 2019
6.1 beta 4 17S5076a Watch3,2 16 October 2019
6.1 beta 5 17S5083a Watch3,2 23 October 2019
6.1.1 beta 17S5433b Watch3,2 4.30.00 5 November 2019
6.1.1 beta 2 17S5439a Watch3,2 4.30.02 12 November 2019
6.1.1 beta 3 17S5446a Watch3,2 20 November 2019
6.1.1 beta 4 17S5449b Watch3,2 5 December 2019
6.1.2 beta 17S5775c Watch3,2 4.40.01 17 December 2019
6.1.2 beta 2 17S5792a Watch3,2 4.40.02 14 January 2020
6.1.2 beta 3 17S5796a Watch3,2 22 January 2020
6.2 beta 17T5224g Watch3,2 4.50.00 5 February 2020
6.2 beta 2 17T5234f Watch3,2 19 February 2020
6.2 beta 3 17T5244c Watch3,2 4.50.01 26 February 2020
6.2 beta 4 17T5251a Watch3,2 4 March 2020
6.2 beta 5 17T5254a Watch3,2 11 March 2020
6.2 beta 6 17T529 Watch3,2 18 March 2020
6.2.5 beta 17T5580e Watch3,2 4.60.00 1 April 2020
6.2.5 beta 2 17T5590d Watch3,2 4.60.01 15 April 2020
6.2.5 beta 3 17T5600c Watch3,2 29 April 2020
6.2.5 beta 4 17T5607a Watch3,2 6 May 2020
6.2.5 beta 5 17T608 Watch3,2 14 May 2020
6.2.8 beta 17U5535e Watch3,2 4.60.00 3 June 2020
6.2.8 beta 2 17U5545c Watch3,2 10 June 2020
6.2.8 beta 3 17U5559d Watch3,2 4.70.01 30 June 2020
6.2.8 GM 17U63 Watch3,2 9 July 2020

Watch3,3

Version Build Keys Release Date
6.0 beta 17R5491t Watch3,3 3 June 2019
6.0 beta 2 17R5507l Watch3,3 17 June 2019
6.0 beta 3 17R5521e Watch3,3 2 July 2019
6.0 beta 4 17R5532f Watch3,3 17 July 2019
6.0 beta 5 17R5546f Watch3,3 30 July 2019
6.0 beta 6 17R5556d Watch3,3 7 August 2019
6.0 beta 7 17R5566a Watch3,3 15 August 2019
6.0 beta 8 17R5571a Watch3,3 21 August 2019
6.0 beta 9 17R5575a Watch3,3 27 August 2019
6.0 GM 17R575 Watch3,3 11 September 2019
6.1 beta 17S5054e Watch3,3 23 September 2019
6.1 beta 2 17S5059e Watch3,3 2 October 2019
6.1 beta 3 17S5068e Watch3,3 10 October 2019
6.1 beta 4 17S5076a Watch3,3 16 October 2019
6.1 beta 5 17S5083a Watch3,3 23 October 2019
6.1.1 beta 17S5433b Watch3,3 5 November 2019
6.1.1 beta 2 17S5439a Watch3,3 12 November 2019
6.1.1 beta 3 17S5446a Watch3,3 20 November 2019
6.1.1 beta 4 17S5449b Watch3,3 5 December 2019
6.1.2 beta 17S5775c Watch3,3 17 December 2019
6.1.2 beta 2 17S5792a Watch3,3 14 January 2020
6.1.2 beta 3 17S5796a Watch3,3 22 January 2020
6.2 beta 17T5224g Watch3,3 5 February 2020
6.2 beta 2 17T5234f Watch3,3 19 February 2020
6.2 beta 3 17T5244c Watch3,3 26 February 2020
6.2 beta 4 17T5251a Watch3,3 4 March 2020
6.2 beta 5 17T5254a Watch3,3 11 March 2020
6.2 beta 6 17T529 Watch3,3 18 March 2020
6.2.5 beta 17T5580e Watch3,3 1 April 2020
6.2.5 beta 2 17T5590d Watch3,3 15 April 2020
6.2.5 beta 3 17T5600c Watch3,3 29 April 2020
6.2.5 beta 4 17T5607a Watch3,3 6 May 2020
6.2.5 beta 5 17T608 Watch3,3 14 May 2020
6.2.8 beta 17U5535e Watch3,3 3 June 2020
6.2.8 beta 2 17U5545c Watch3,3 10 June 2020
6.2.8 beta 3 17U5559d Watch3,3 30 June 2020
6.2.8 GM 17U63 Watch3,3 9 July 2020

Watch3,4

Version Build Keys Release Date
6.0 beta 17R5491t Watch3,4 3 June 2019
6.0 beta 2 17R5507l Watch3,4 17 June 2019
6.0 beta 3 17R5521e Watch3,4 2 July 2019
6.0 beta 4 17R5532f Watch3,4 17 July 2019
6.0 beta 5 17R5546f Watch3,4 30 July 2019
6.0 beta 6 17R5556d Watch3,4 7 August 2019
6.0 beta 7 17R5566a Watch3,4 15 August 2019
6.0 beta 8 17R5571a Watch3,4 21 August 2019
6.0 beta 9 17R5575a Watch3,4 27 August 2019
6.0 GM 17R575 Watch3,4 11 September 2019
6.1 beta 17S5054e Watch3,4 23 September 2019
6.1 beta 2 17S5059e Watch3,4 2 October 2019
6.1 beta 3 17S5068e Watch3,4 10 October 2019
6.1 beta 4 17S5076a Watch3,4 16 October 2019
6.1 beta 5 17S5083a Watch3,4 23 October 2019
6.1.1 beta 17S5433b Watch3,4 5 November 2019
6.1.1 beta 2 17S5439a Watch3,4 12 November 2019
6.1.1 beta 3 17S5446a Watch3,4 20 November 2019
6.1.1 beta 4 17S5449b Watch3,4 5 December 2019
6.1.2 beta 17S5775c Watch3,4 17 December 2019
6.1.2 beta 2 17S5792a Watch3,4 14 January 2020
6.1.2 beta 3 17S5796a Watch3,4 22 January 2020
6.2 beta 17T5224g Watch3,4 5 February 2020
6.2 beta 2 17T5234f Watch3,4 19 February 2020
6.2 beta 3 17T5244c Watch3,4 26 February 2020
6.2 beta 4 17T5251a Watch3,4 4 March 2020
6.2 beta 5 17T5254a Watch3,4 11 March 2020
6.2 beta 6 17T529 Watch3,4 18 March 2020
6.2.5 beta 17T5580e Watch3,4 1 April 2020
6.2.5 beta 2 17T5590d Watch3,4 15 April 2020
6.2.5 beta 3 17T5600c Watch3,4 29 April 2020
6.2.5 beta 4 17T5607a Watch3,4 6 May 2020
6.2.5 beta 5 17T608 Watch3,4 14 May 2020
6.2.8 beta 17U5535e Watch3,4 3 June 2020
6.2.8 beta 2 17U5545c Watch3,4 10 June 2020
6.2.8 beta 3 17U5559d Watch3,4 30 June 2020
6.2.8 GM 17U63 Watch3,4 9 July 2020

Apple Watch Series 4

Watch4,1

Version Build Keys Release Date
6.0 beta 17R5491t Watch4,1 3 June 2019
6.0 beta 2 17R5507l Watch4,1 17 June 2019
6.0 beta 3 17R5521e Watch4,1 2 July 2019
6.0 beta 4 17R5532f Watch4,1 17 July 2019
6.0 beta 5 17R5546f Watch4,1 30 July 2019
6.0 beta 6 17R5556d Watch4,1 7 August 2019
6.0 beta 7 17R5566a Watch4,1 15 August 2019
6.0 beta 8 17R5571a Watch4,1 21 August 2019
6.0 beta 9 17R5575a Watch4,1 27 August 2019
6.0 GM 17R575 Watch4,1 11 September 2019
6.1 beta 17S5054e Watch4,1 23 September 2019
6.1 beta 2 17S5059e Watch4,1 2 October 2019
6.1 beta 3 17S5068e Watch4,1 10 October 2019
6.1 beta 4 17S5076a Watch4,1 16 October 2019
6.1 beta 5 17S5083a Watch4,1 23 October 2019
6.1.1 beta 17S5433b Watch4,1 5 November 2019
6.1.1 beta 2 17S5439a Watch4,1 12 November 2019
6.1.1 beta 3 17S5446a Watch4,1 20 November 2019
6.1.1 beta 4 17S5449b Watch4,1 5 December 2019
6.1.2 beta 17S5775c Watch4,1 17 December 2019
6.1.2 beta 2 17S5792a Watch4,1 14 January 2020
6.1.2 beta 3 17S5796a Watch4,1 22 January 2020
6.2 beta 17T5224g Watch4,1 5 February 2020
6.2 beta 2 17T5234f Watch4,1 19 February 2020
6.2 beta 3 17T5244c Watch4,1 26 February 2020
6.2 beta 4 17T5251a Watch4,1 4 March 2020
6.2 beta 5 17T5254a Watch4,1 11 March 2020
6.2 beta 6 17T529 Watch4,1 18 March 2020
6.2.5 beta 17T5580e Watch4,1 1 April 2020
6.2.5 beta 2 17T5590d Watch4,1 15 April 2020
6.2.5 beta 3 17T5600c Watch4,1 29 April 2020
6.2.5 beta 4 17T5607a Watch4,1 6 May 2020
6.2.5 beta 5 17T608 Watch4,1 14 May 2020
6.2.8 beta 17U5535e Watch4,1 3 June 2020
6.2.8 beta 2 17U5545c Watch4,1 10 June 2020
6.2.8 beta 3 17U5559d Watch4,1 30 June 2020
6.2.8 GM 17U63 Watch4,1 9 July 2020

Watch4,2

Version Build Keys Release Date
6.0 beta 17R5491t Watch4,2 3 June 2019
6.0 beta 2 17R5507l Watch4,2 17 June 2019
6.0 beta 3 17R5521e Watch4,2 2 July 2019
6.0 beta 4 17R5532f Watch4,2 17 July 2019
6.0 beta 5 17R5546f Watch4,2 30 July 2019
6.0 beta 6 17R5556d Watch4,2 7 August 2019
6.0 beta 7 17R5566a Watch4,2 15 August 2019
6.0 beta 8 17R5571a Watch4,2 21 August 2019
6.0 beta 9 17R5575a Watch4,2 27 August 2019
6.0 GM 17R575 Watch4,2 11 September 2019
6.1 beta 17S5054e Watch4,2 23 September 2019
6.1 beta 2 17S5059e Watch4,2 2 October 2019
6.1 beta 3 17S5068e Watch4,2 10 October 2019
6.1 beta 4 17S5076a Watch4,2 16 October 2019
6.1 beta 5 17S5083a Watch4,2 23 October 2019
6.1.1 beta 17S5433b Watch4,2 5 November 2019
6.1.1 beta 2 17S5439a Watch4,2 12 November 2019
6.1.1 beta 3 17S5446a Watch4,2 20 November 2019
6.1.1 beta 4 17S5449b Watch4,2 5 December 2019
6.1.2 beta 17S5775c Watch4,2 17 December 2019
6.1.2 beta 2 17S5792a Watch4,2 14 January 2020
6.1.2 beta 3 17S5796a Watch4,2 22 January 2020
6.2 beta 17T5224g Watch4,2 5 February 2020
6.2 beta 2 17T5234f Watch4,2 19 February 2020
6.2 beta 3 17T5244c Watch4,2 26 February 2020
6.2 beta 4 17T5251a Watch4,2 4 March 2020
6.2 beta 5 17T5254a Watch4,2 11 March 2020
6.2 beta 6 17T529 Watch4,2 18 March 2020
6.2.5 beta 17T5580e Watch4,2 1 April 2020
6.2.5 beta 2 17T5590d Watch4,2 15 April 2020
6.2.5 beta 3 17T5600c Watch4,2 29 April 2020
6.2.5 beta 4 17T5607a Watch4,2 6 May 2020
6.2.5 beta 5 17T608 Watch4,2 14 May 2020
6.2.8 beta 17U5535e Watch4,2 3 June 2020
6.2.8 beta 2 17U5545c Watch4,2 10 June 2020
6.2.8 beta 3 17U5559d Watch4,2 30 June 2020
6.2.8 GM 17U63 Watch4,2 9 July 2020

Watch4,3

Version Build Keys Baseband Release Date
6.0 beta 17R5491t Watch4,3 1.51.02 3 June 2019
6.0 beta 2 17R5507l Watch4,3 17 June 2019
6.0 beta 3 17R5521e Watch4,3 1.53.23 2 July 2019
6.0 beta 4 17R5532f Watch4,3 1.54.21 17 July 2019
6.0 beta 5 17R5546f Watch4,3 1.55.03 30 July 2019
6.0 beta 6 17R5556d Watch4,3 2.00.01 7 August 2019
6.0 beta 7 17R5566a Watch4,3 15 August 2019
6.0 beta 8 17R5571a Watch4,3 21 August 2019
6.0 beta 9 17R5575a Watch4,3 27 August 2019
6.0 GM 17R575 Watch4,3 11 September 2019
6.1 beta 17S5054e Watch4,3 2.01.03 23 September 2019
6.1 beta 2 17S5059e Watch4,3 2 October 2019
6.1 beta 3 17S5068e Watch4,3 2.01.04 10 October 2019
6.1 beta 4 17S5076a Watch4,3 16 October 2019
6.1 beta 5 17S5083a Watch4,3 23 October 2019
6.1.1 beta 17S5433b Watch4,3 2.01.03 5 November 2019
6.1.1 beta 2 17S5439a Watch4,3 2.01.04 12 November 2019
6.1.1 beta 3 17S5446a Watch4,3 20 November 2019
6.1.1 beta 4 17S5449b Watch4,3 5 December 2019
6.1.2 beta 17S5775c Watch4,3 2.01.03 17 December 2019
6.1.2 beta 2 17S5792a Watch4,3 2.02.00 14 January 2020
6.1.2 beta 3 17S5796a Watch4,3 22 January 2020
6.2 beta 17T5224g Watch4,3 2.03.02 5 February 2020
6.2 beta 2 17T5234f Watch4,3 2.03.04 19 February 2020
6.2 beta 3 17T5244c Watch4,3 2.03.05 26 February 2020
6.2 beta 4 17T5251a Watch4,3 4 March 2020
6.2 beta 5 17T5254a Watch4,3 11 March 2020
6.2 beta 6 17T529 Watch4,3 18 March 2020
6.2.5 beta 17T5580e Watch4,3 2.03.04 1 April 2020
6.2.5 beta 2 17T5590d Watch4,3 2.04.01 15 April 2020
6.2.5 beta 3 17T5600c Watch4,3 29 April 2020
6.2.5 beta 4 17T5607a Watch4,3 6 May 2020
6.2.5 beta 5 17T608 Watch4,3 14 May 2020
6.2.8 beta 17U5535e Watch4,3 3 June 2020
6.2.8 beta 2 17U5545c Watch4,3 10 June 2020
6.2.8 beta 3 17U5559d Watch4,3 30 June 2020
6.2.8 GM 17U63 Watch4,3 9 July 2020

Watch4,4

Version Build Keys Baseband Release Date
6.0 beta 17R5491t Watch4,4 1.51.02 3 June 2019
6.0 beta 2 17R5507l Watch4,4 17 June 2019
6.0 beta 3 17R5521e Watch4,4 1.53.23 2 July 2019
6.0 beta 4 17R5532f Watch4,4 1.54.21 17 July 2019
6.0 beta 5 17R5546f Watch4,4 1.55.03 30 July 2019
6.0 beta 6 17R5556d Watch4,4 2.00.01 7 August 2019
6.0 beta 7 17R5566a Watch4,4 15 August 2019
6.0 beta 8 17R5571a Watch4,4 21 August 2019
6.0 beta 9 17R5575a Watch4,4 27 August 2019
6.0 GM 17R575 Watch4,4 11 September 2019
6.1 beta 17S5054e Watch4,4 2.01.03 23 September 2019
6.1 beta 2 17S5059e Watch4,4 2 October 2019
6.1 beta 3 17S5068e Watch4,4 2.01.04 10 October 2019
6.1 beta 4 17S5076a Watch4,4 16 October 2019
6.1 beta 5 17S5083a Watch4,4 23 October 2019
6.1.1 beta 17S5433b Watch4,4 2.01.03 5 November 2019
6.1.1 beta 2 17S5439a Watch4,4 2.01.04 12 November 2019
6.1.1 beta 3 17S5446a Watch4,4 20 November 2019
6.1.1 beta 4 17S5449b Watch4,4 5 December 2019
6.1.2 beta 17S5775c Watch4,4 2.01.03 17 December 2019
6.1.2 beta 2 17S5792a Watch4,4 2.02.00 14 January 2020
6.1.2 beta 3 17S5796a Watch4,4 22 January 2020
6.2 beta 17T5224g Watch4,4 2.03.02 5 February 2020
6.2 beta 2 17T5234f Watch4,4 2.03.04 19 February 2020
6.2 beta 3 17T5244c Watch4,4 2.03.05 26 February 2020
6.2 beta 4 17T5251a Watch4,4 4 March 2020
6.2 beta 5 17T5254a Watch4,4 11 March 2020
6.2 beta 6 17T529 Watch4,4 18 March 2020
6.2.5 beta 17T5580e Watch4,4 2.03.04 1 April 2020
6.2.5 beta 2 17T5590d Watch4,4 2.04.01 15 April 2020
6.2.5 beta 3 17T5600c Watch4,4 29 April 2020
6.2.5 beta 4 17T5607a Watch4,4 6 May 2020
6.2.5 beta 5 17T608 Watch4,4 14 May 2020
6.2.8 beta 17U5535e Watch4,4 3 June 2020
6.2.8 beta 2 17U5545c Watch4,4 10 June 2020
6.2.8 beta 3 17U5559d Watch4,4 30 June 2020
6.2.8 GM 17U63 Watch4,4 9 July 2020

Apple Watch Series 5

Watch5,1

Version Build Keys Release Date
6.1 beta 17S5054e Watch5,1 23 September 2019
6.1 beta 2 17S5059e Watch5,1 2 October 2019
6.1 beta 3 17S5068e Watch5,1 10 October 2019
6.1 beta 4 17S5076a Watch5,1 16 October 2019
6.1 beta 5 17S5083a Watch5,1 23 October 2019
6.1.1 beta 17S5433b Watch5,1 5 November 2019
6.1.1 beta 2 17S5439a Watch5,1 12 November 2019
6.1.1 beta 3 17S5446a Watch5,1 20 November 2019
6.1.1 beta 4 17S5449b Watch5,1 5 December 2019
6.1.2 beta 17S5775c Watch5,1 17 December 2019
6.1.2 beta 2 17S5792a Watch5,1 14 January 2020
6.1.2 beta 3 17S5796a Watch5,1 22 January 2020
6.2 beta 17T5224g Watch5,1 5 February 2020
6.2 beta 2 17T5234f Watch5,1 19 February 2020
6.2 beta 3 17T5244c Watch5,1 26 February 2020
6.2 beta 4 17T5251a Watch5,1 4 March 2020
6.2 beta 5 17T5254a Watch5,1 11 March 2020
6.2 beta 6 17T529 Watch5,1 18 March 2020
6.2.5 beta 17T5580e Watch5,1 1 April 2020
6.2.5 beta 2 17T5590d Watch5,1 15 April 2020
6.2.5 beta 3 17T5600c Watch5,1 29 April 2020
6.2.5 beta 4 17T5607a Watch5,1 6 May 2020
6.2.5 beta 5 17T608 Watch5,1 14 May 2020
6.2.8 beta 17U5535e Watch5,1 3 June 2020
6.2.8 beta 2 17U5545c Watch5,1 10 June 2020
6.2.8 beta 3 17U5559d Watch5,1 30 June 2020
6.2.8 GM 17U63 Watch5,1 9 July 2020

Watch5,2

Version Build Keys Release Date
6.1 beta 17S5054e Watch5,2 23 September 2019
6.1 beta 2 17S5059e Watch5,2 2 October 2019
6.1 beta 3 17S5068e Watch5,2 10 October 2019
6.1 beta 4 17S5076a Watch5,2 16 October 2019
6.1 beta 5 17S5083a Watch5,2 23 October 2019
6.1.1 beta 17S5433b Watch5,2 5 November 2019
6.1.1 beta 2 17S5439a Watch5,2 12 November 2019
6.1.1 beta 3 17S5446a Watch5,2 20 November 2019
6.1.1 beta 4 17S5449b Watch5,2 5 December 2019
6.1.2 beta 17S5775c Watch5,2 17 December 2019
6.1.2 beta 2 17S5792a Watch5,2 14 January 2020
6.1.2 beta 3 17S5796a Watch5,2 22 January 2020
6.2 beta 17T5224g Watch5,2 5 February 2020
6.2 beta 2 17T5234f Watch5,2 19 February 2020
6.2 beta 3 17T5244c Watch5,2 26 February 2020
6.2 beta 4 17T5251a Watch5,2 4 March 2020
6.2 beta 5 17T5254a Watch5,2 11 March 2020
6.2 beta 6 17T529 Watch5,2 18 March 2020
6.2.5 beta 17T5580e Watch5,2 1 April 2020
6.2.5 beta 2 17T5590d Watch5,2 15 April 2020
6.2.5 beta 3 17T5600c Watch5,2 29 April 2020
6.2.5 beta 4 17T5607a Watch5,2 6 May 2020
6.2.5 beta 5 17T608 Watch5,2 14 May 2020
6.2.8 beta 17U5535e Watch5,2 3 June 2020
6.2.8 beta 2 17U5545c Watch5,2 10 June 2020
6.2.8 beta 3 17U5559d Watch5,2 30 June 2020
6.2.8 GM 17U63 Watch5,2 9 July 2020

Watch5,3

Version Build Keys Baseband Release Date
6.1 beta 17S5054e Watch5,3 2.01.03 23 September 2019
6.1 beta 2 17S5059e Watch5,3 2 October 2019
6.1 beta 3 17S5068e Watch5,3 2.01.04 10 October 2019
6.1 beta 4 17S5076a Watch5,3 16 October 2019
6.1 beta 5 17S5083a Watch5,3 23 October 2019
6.1.1 beta 17S5433b Watch5,3 2.01.03 5 November 2019
6.1.1 beta 2 17S5439a Watch5,3 2.01.04 12 November 2019
6.1.1 beta 3 17S5446a Watch5,3 20 November 2019
6.1.1 beta 4 17S5449b Watch5,3 5 December 2019
6.1.2 beta 17S5775c Watch5,3 2.01.03 17 December 2019
6.1.2 beta 2 17S5792a Watch5,3 2.02.00 14 January 2020
6.1.2 beta 3 17S5796a Watch5,3 22 January 2020
6.2 beta 17T5224g Watch5,3 2.03.02 5 February 2020
6.2 beta 2 17T5234f Watch5,3 2.03.04 19 February 2020
6.2 beta 3 17T5244c Watch5,3 2.03.05 26 February 2020
6.2 beta 4 17T5251a Watch5,3 4 March 2020
6.2 beta 5 17T5254a Watch5,3 11 March 2020
6.2 beta 6 17T529 Watch5,3 18 March 2020
6.2.5 beta 17T5580e Watch5,3 2.03.04 1 April 2020
6.2.5 beta 2 17T5590d Watch5,3 2.04.01 15 April 2020
6.2.5 beta 3 17T5600c Watch5,3 29 April 2020
6.2.5 beta 4 17T5607a Watch5,3 6 May 2020
6.2.5 beta 5 17T608 Watch5,3 14 May 2020
6.2.8 beta 17U5535e Watch5,3 3 June 2020
6.2.8 beta 2 17U5545c Watch5,3 10 June 2020
6.2.8 beta 3 17U5559d Watch5,3 30 June 2020
6.2.8 GM 17U63 Watch5,3 9 July 2020

Watch5,4

Version Build Keys Baseband Release Date
6.1 beta 17S5054e Watch5,4 2.01.03 23 September 2019
6.1 beta 2 17S5059e Watch5,4 2 October 2019
6.1 beta 3 17S5068e Watch5,4 2.01.04 10 October 2019
6.1 beta 4 17S5076a Watch5,4 16 October 2019
6.1 beta 5 17S5083a Watch5,4 23 October 2019
6.1.1 beta 17S5433b Watch5,4 2.01.03 5 November 2019
6.1.1 beta 2 17S5439a Watch5,4 2.01.04 12 November 2019
6.1.1 beta 3 17S5446a Watch5,4 20 November 2019
6.1.1 beta 4 17S5449b Watch5,4 5 December 2019
6.1.2 beta 17S5775c Watch5,4 2.01.03 17 December 2019
6.1.2 beta 2 17S5792a Watch5,4 2.02.00 14 January 2020
6.1.2 beta 3 17S5796a Watch5,4 22 January 2020
6.2 beta 17T5224g Watch5,4 2.03.02 5 February 2020
6.2 beta 2 17T5234f Watch5,4 2.03.04 19 February 2020
6.2 beta 3 17T5244c Watch5,4 2.03.05 26 February 2020
6.2 beta 4 17T5251a Watch5,4 4 March 2020
6.2 beta 5 17T5254a Watch5,4 11 March 2020
6.2 beta 6 17T529 Watch5,4 18 March 2020
6.2.5 beta 17T5580e Watch5,4 2.03.04 1 April 2020
6.2.5 beta 2 17T5590d Watch5,4 2.04.01 15 April 2020
6.2.5 beta 3 17T5600c Watch5,4 29 April 2020
6.2.5 beta 4 17T5607a Watch5,4 6 May 2020
6.2.5 beta 5 17T608 Watch5,4 14 May 2020
6.2.8 beta 17U5535e Watch5,4 3 June 2020
6.2.8 beta 2 17U5545c Watch5,4 10 June 2020
6.2.8 beta 3 17U5559d Watch5,4 30 June 2020
6.2.8 GM 17U63 Watch5,4 9 July 2020