Beta Firmware/Apple Watch/10.x

From The Apple Wiki


Apple Watch Series 4

Watch4,1

Version Build Keys Release Date
10.0 beta 21R5275t Watch4,1 5 June 2023
10.0 beta 2 21R5295g Watch4,1 21 June 2023
10.0 beta 3 21R5305e Watch4,1 5 July 2023
10.0 beta 4 21R5320i Watch4,1 25 July 2023
10.0 beta 5 21R5332f Watch4,1 8 August 2023
10.0 beta 6 21R5341c Watch4,1 15 August 2023
10.0 beta 7 21R5349b Watch4,1 22 August 2023
10.0 beta 8 21R5355a Watch4,1 29 August 2023
10.0 RC 21R356 Watch4,1 12 September 2023
10.1 beta 21S5042f Watch4,1 27 September 2023
10.1 beta 2 21S5053f Watch4,1 3 October 2023
10.1 beta 3 21S5063a Watch4,1 10 October 2023
10.1 RC 21S67 Watch4,1 17 October 2023
10.2 beta 21S5331f Watch4,1 26 October 2023
10.2 beta 2 21S5342e Watch4,1 9 November 2023
10.2 beta 3 21S5349e Watch4,1 14 November 2023
10.2 beta 4 21S5358a Watch4,1 28 November 2023
10.2 RC 21S364 Watch4,1 5 December 2023
10.3 beta 21S5625c Watch4,1 12 December 2023
10.3 beta 2 21S5635d Watch4,1 3 January 2024
10.3 beta 3 21S5642a Watch4,1 9 January 2024
10.3 RC 21S644 Watch4,1 17 January 2024
10.4 beta 21T5185g Watch4,1 29 January 2024
10.4 beta 2 21T5196d Watch4,1 6 February 2024
10.4 beta 3 21T5202e Watch4,1 13 February 2024
10.4 beta 4 21T5213a Watch4,1 20 February 2024
10.4 RC 21T216 Watch4,1 4 March 2024
10.5 beta 21T5545f Watch4,1 2 April 2024
10.5 beta 2 21T5555d Watch4,1 16 April 2024
10.5 beta 3 21T5560d Watch4,1 23 April 2024

Watch4,2

Version Build Keys Release Date
10.0 beta 21R5275t Watch4,2 5 June 2023
10.0 beta 2 21R5295g Watch4,2 21 June 2023
10.0 beta 3 21R5305e Watch4,2 5 July 2023
10.0 beta 4 21R5320i Watch4,2 25 July 2023
10.0 beta 5 21R5332f Watch4,2 8 August 2023
10.0 beta 6 21R5341c Watch4,2 15 August 2023
10.0 beta 7 21R5349b Watch4,2 22 August 2023
10.0 beta 8 21R5355a Watch4,2 29 August 2023
10.0 RC 21R356 Watch4,2 12 September 2023
10.1 beta 21S5042f Watch4,2 27 September 2023
10.1 beta 2 21S5053f Watch4,2 3 October 2023
10.1 beta 3 21S5063a Watch4,2 10 October 2023
10.1 RC 21S67 Watch4,2 17 October 2023
10.2 beta 21S5331f Watch4,2 26 October 2023
10.2 beta 2 21S5342e Watch4,2 9 November 2023
10.2 beta 3 21S5349e Watch4,2 14 November 2023
10.2 beta 4 21S5358a Watch4,2 28 November 2023
10.2 RC 21S364 Watch4,2 5 December 2023
10.3 beta 21S5625c Watch4,2 12 December 2023
10.3 beta 2 21S5635d Watch4,2 3 January 2024
10.3 beta 3 21S5642a Watch4,2 9 January 2024
10.3 RC 21S644 Watch4,2 17 January 2024
10.4 beta 21T5185g Watch4,2 29 January 2024
10.4 beta 2 21T5196d Watch4,2 6 February 2024
10.4 beta 3 21T5202e Watch4,2 13 February 2024
10.4 beta 4 21T5213a Watch4,2 20 February 2024
10.4 RC 21T216 Watch4,2 4 March 2024
10.5 beta 21T5545f Watch4,2 2 April 2024
10.5 beta 2 21T5555d Watch4,2 16 April 2024
10.5 beta 3 21T5560d Watch4,2 23 April 2024

Watch4,3

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch4,3 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch4,3 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch4,3 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch4,3 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch4,3 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch4,3 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch4,3 22 August 2023
10.0 beta 8 21R5355a Watch4,3 29 August 2023
10.0 RC 21R356 Watch4,3 12 September 2023
10.1 beta 21S5042f Watch4,3 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch4,3 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch4,3 10 October 2023
10.1 RC 21S67 Watch4,3 17 October 2023
10.2 beta 21S5331f Watch4,3 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch4,3 9 November 2023
10.2 beta 3 21S5349e Watch4,3 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch4,3 28 November 2023
10.2 RC 21S364 Watch4,3 5 December 2023
10.3 beta 21S5625c Watch4,3 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch4,3 3 January 2024
10.3 beta 3 21S5642a Watch4,3 6.03.02 9 January 2024
10.3 RC 21S644 Watch4,3 17 January 2024
10.4 beta 21T5185g Watch4,3 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch4,3 6 February 2024
10.4 beta 3 21T5202e Watch4,3 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch4,3 20 February 2024
10.4 RC 21T216 Watch4,3 4 March 2024
10.5 beta 21T5545f Watch4,3 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch4,3 16 April 2024
10.5 beta 3 21T5560d Watch4,3 6.03.02 23 April 2024

Watch4,4

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch4,4 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch4,4 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch4,4 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch4,4 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch4,4 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch4,4 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch4,4 22 August 2023
10.0 beta 8 21R5355a Watch4,4 29 August 2023
10.0 RC 21R356 Watch4,4 12 September 2023
10.1 beta 21S5042f Watch4,4 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch4,4 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch4,4 10 October 2023
10.1 RC 21S67 Watch4,4 17 October 2023
10.2 beta 21S5331f Watch4,4 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch4,4 9 November 2023
10.2 beta 3 21S5349e Watch4,4 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch4,4 28 November 2023
10.2 RC 21S364 Watch4,4 5 December 2023
10.3 beta 21S5625c Watch4,4 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch4,4 3 January 2024
10.3 beta 3 21S5642a Watch4,4 6.03.02 9 January 2024
10.3 RC 21S644 Watch4,4 17 January 2024
10.4 beta 21T5185g Watch4,4 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch4,4 6 February 2024
10.4 beta 3 21T5202e Watch4,4 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch4,4 20 February 2024
10.4 RC 21T216 Watch4,4 4 March 2024
10.5 beta 21T5545f Watch4,4 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch4,4 16 April 2024
10.5 beta 3 21T5560d Watch4,4 6.03.02 23 April 2024

Apple Watch Series 5

Watch5,1

Version Build Keys Release Date
10.0 beta 21R5275t Watch5,1 5 June 2023
10.0 beta 2 21R5295g Watch5,1 21 June 2023
10.0 beta 3 21R5305e Watch5,1 5 July 2023
10.0 beta 4 21R5320i Watch5,1 25 July 2023
10.0 beta 5 21R5332f Watch5,1 8 August 2023
10.0 beta 6 21R5341c Watch5,1 15 August 2023
10.0 beta 7 21R5349b Watch5,1 22 August 2023
10.0 beta 8 21R5355a Watch5,1 29 August 2023
10.0 RC 21R356 Watch5,1 12 September 2023
10.1 beta 21S5042f Watch5,1 27 September 2023
10.1 beta 2 21S5053f Watch5,1 3 October 2023
10.1 beta 3 21S5063a Watch5,1 10 October 2023
10.1 RC 21S67 Watch5,1 17 October 2023
10.2 beta 21S5331f Watch5,1 26 October 2023
10.2 beta 2 21S5342e Watch5,1 9 November 2023
10.2 beta 3 21S5349e Watch5,1 14 November 2023
10.2 beta 4 21S5358a Watch5,1 28 November 2023
10.2 RC 21S364 Watch5,1 5 December 2023
10.3 beta 21S5625c Watch5,1 12 December 2023
10.3 beta 2 21S5635d Watch5,1 3 January 2024
10.3 beta 3 21S5642a Watch5,1 9 January 2024
10.3 RC 21S644 Watch5,1 17 January 2024
10.4 beta 21T5185g Watch5,1 29 January 2024
10.4 beta 2 21T5196d Watch5,1 6 February 2024
10.4 beta 3 21T5202e Watch5,1 13 February 2024
10.4 beta 4 21T5213a Watch5,1 20 February 2024
10.4 RC 21T216 Watch5,1 4 March 2024
10.5 beta 21T5545f Watch5,1 2 April 2024
10.5 beta 2 21T5555d Watch5,1 16 April 2024
10.5 beta 3 21T5560d Watch5,1 23 April 2024

Watch5,2

Version Build Keys Release Date
10.0 beta 21R5275t Watch5,2 5 June 2023
10.0 beta 2 21R5295g Watch5,2 21 June 2023
10.0 beta 3 21R5305e Watch5,2 5 July 2023
10.0 beta 4 21R5320i Watch5,2 25 July 2023
10.0 beta 5 21R5332f Watch5,2 8 August 2023
10.0 beta 6 21R5341c Watch5,2 15 August 2023
10.0 beta 7 21R5349b Watch5,2 22 August 2023
10.0 beta 8 21R5355a Watch5,2 29 August 2023
10.0 RC 21R356 Watch5,2 12 September 2023
10.1 beta 21S5042f Watch5,2 27 September 2023
10.1 beta 2 21S5053f Watch5,2 3 October 2023
10.1 beta 3 21S5063a Watch5,2 10 October 2023
10.1 RC 21S67 Watch5,2 17 October 2023
10.2 beta 21S5331f Watch5,2 26 October 2023
10.2 beta 2 21S5342e Watch5,2 9 November 2023
10.2 beta 3 21S5349e Watch5,2 14 November 2023
10.2 beta 4 21S5358a Watch5,2 28 November 2023
10.2 RC 21S364 Watch5,2 5 December 2023
10.3 beta 21S5625c Watch5,2 12 December 2023
10.3 beta 2 21S5635d Watch5,2 3 January 2024
10.3 beta 3 21S5642a Watch5,2 9 January 2024
10.3 RC 21S644 Watch5,2 17 January 2024
10.4 beta 21T5185g Watch5,2 29 January 2024
10.4 beta 2 21T5196d Watch5,2 6 February 2024
10.4 beta 3 21T5202e Watch5,2 13 February 2024
10.4 beta 4 21T5213a Watch5,2 20 February 2024
10.4 RC 21T216 Watch5,2 4 March 2024
10.5 beta 21T5545f Watch5,2 2 April 2024
10.5 beta 2 21T5555d Watch5,2 16 April 2024
10.5 beta 3 21T5560d Watch5,2 23 April 2024

Watch5,3

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch5,3 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch5,3 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch5,3 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch5,3 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch5,3 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch5,3 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch5,3 22 August 2023
10.0 beta 8 21R5355a Watch5,3 29 August 2023
10.0 RC 21R356 Watch5,3 12 September 2023
10.1 beta 21S5042f Watch5,3 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch5,3 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch5,3 10 October 2023
10.1 RC 21S67 Watch5,3 17 October 2023
10.2 beta 21S5331f Watch5,3 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch5,3 9 November 2023
10.2 beta 3 21S5349e Watch5,3 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch5,3 28 November 2023
10.2 RC 21S364 Watch5,3 5 December 2023
10.3 beta 21S5625c Watch5,3 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch5,3 3 January 2024
10.3 beta 3 21S5642a Watch5,3 6.03.02 9 January 2024
10.3 RC 21S644 Watch5,3 17 January 2024
10.4 beta 21T5185g Watch5,3 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch5,3 6 February 2024
10.4 beta 3 21T5202e Watch5,3 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch5,3 20 February 2024
10.4 RC 21T216 Watch5,3 4 March 2024
10.5 beta 21T5545f Watch5,3 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch5,3 16 April 2024
10.5 beta 3 21T5560d Watch5,3 6.03.02 23 April 2024

Watch5,4

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch5,4 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch5,4 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch5,4 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch5,4 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch5,4 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch5,4 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch5,4 22 August 2023
10.0 beta 8 21R5355a Watch5,4 29 August 2023
10.0 RC 21R356 Watch5,4 12 September 2023
10.1 beta 21S5042f Watch5,4 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch5,4 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch5,4 10 October 2023
10.1 RC 21S67 Watch5,4 17 October 2023
10.2 beta 21S5331f Watch5,4 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch5,4 9 November 2023
10.2 beta 3 21S5349e Watch5,4 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch5,4 28 November 2023
10.2 RC 21S364 Watch5,4 5 December 2023
10.3 beta 21S5625c Watch5,4 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch5,4 3 January 2024
10.3 beta 3 21S5642a Watch5,4 6.03.02 9 January 2024
10.3 RC 21S644 Watch5,4 17 January 2024
10.4 beta 21T5185g Watch5,4 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch5,4 6 February 2024
10.4 beta 3 21T5202e Watch5,4 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch5,4 20 February 2024
10.4 RC 21T216 Watch5,4 4 March 2024
10.5 beta 21T5545f Watch5,4 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch5,4 16 April 2024
10.5 beta 3 21T5560d Watch5,4 6.03.02 23 April 2024

Apple Watch SE

Watch5,9

Version Build Keys Release Date
10.0 beta 21R5275t Watch5,9 5 June 2023
10.0 beta 2 21R5295g Watch5,9 21 June 2023
10.0 beta 3 21R5305e Watch5,9 5 July 2023
10.0 beta 4 21R5320i Watch5,9 25 July 2023
10.0 beta 5 21R5332f Watch5,9 8 August 2023
10.0 beta 6 21R5341c Watch5,9 15 August 2023
10.0 beta 7 21R5349b Watch5,9 22 August 2023
10.0 beta 8 21R5355a Watch5,9 29 August 2023
10.0 RC 21R356 Watch5,9 12 September 2023
10.1 beta 21S5042f Watch5,9 27 September 2023
10.1 beta 2 21S5053f Watch5,9 3 October 2023
10.1 beta 3 21S5063a Watch5,9 10 October 2023
10.1 RC 21S67 Watch5,9 17 October 2023
10.2 beta 21S5331f Watch5,9 26 October 2023
10.2 beta 2 21S5342e Watch5,9 9 November 2023
10.2 beta 3 21S5349e Watch5,9 14 November 2023
10.2 beta 4 21S5358a Watch5,9 28 November 2023
10.2 RC 21S364 Watch5,9 5 December 2023
10.3 beta 21S5625c Watch5,9 12 December 2023
10.3 beta 2 21S5635d Watch5,9 3 January 2024
10.3 beta 3 21S5642a Watch5,9 9 January 2024
10.3 RC 21S644 Watch5,9 17 January 2024
10.4 beta 21T5185g Watch5,9 29 January 2024
10.4 beta 2 21T5196d Watch5,9 6 February 2024
10.4 beta 3 21T5202e Watch5,9 13 February 2024
10.4 beta 4 21T5213a Watch5,9 20 February 2024
10.4 RC 21T216 Watch5,9 4 March 2024
10.5 beta 21T5545f Watch5,9 2 April 2024
10.5 beta 2 21T5555d Watch5,9 16 April 2024
10.5 beta 3 21T5560d Watch5,9 23 April 2024

Watch5,10

Version Build Keys Release Date
10.0 beta 21R5275t Watch5,10 5 June 2023
10.0 beta 2 21R5295g Watch5,10 21 June 2023
10.0 beta 3 21R5305e Watch5,10 5 July 2023
10.0 beta 4 21R5320i Watch5,10 25 July 2023
10.0 beta 5 21R5332f Watch5,10 8 August 2023
10.0 beta 6 21R5341c Watch5,10 15 August 2023
10.0 beta 7 21R5349b Watch5,10 22 August 2023
10.0 beta 8 21R5355a Watch5,10 29 August 2023
10.0 RC 21R356 Watch5,10 12 September 2023
10.1 beta 21S5042f Watch5,10 27 September 2023
10.1 beta 2 21S5053f Watch5,10 3 October 2023
10.1 beta 3 21S5063a Watch5,10 10 October 2023
10.1 RC 21S67 Watch5,10 17 October 2023
10.2 beta 21S5331f Watch5,10 26 October 2023
10.2 beta 2 21S5342e Watch5,10 9 November 2023
10.2 beta 3 21S5349e Watch5,10 14 November 2023
10.2 beta 4 21S5358a Watch5,10 28 November 2023
10.2 RC 21S364 Watch5,10 5 December 2023
10.3 beta 21S5625c Watch5,10 12 December 2023
10.3 beta 2 21S5635d Watch5,10 3 January 2024
10.3 beta 3 21S5642a Watch5,10 9 January 2024
10.3 RC 21S644 Watch5,10 17 January 2024
10.4 beta 21T5185g Watch5,10 29 January 2024
10.4 beta 2 21T5196d Watch5,10 6 February 2024
10.4 beta 3 21T5202e Watch5,10 13 February 2024
10.4 beta 4 21T5213a Watch5,10 20 February 2024
10.4 RC 21T216 Watch5,10 4 March 2024
10.5 beta 21T5545f Watch5,10 2 April 2024
10.5 beta 2 21T5555d Watch5,10 16 April 2024
10.5 beta 3 21T5560d Watch5,10 23 April 2024

Watch5,11

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch5,11 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch5,11 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch5,11 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch5,11 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch5,11 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch5,11 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch5,11 22 August 2023
10.0 beta 8 21R5355a Watch5,11 29 August 2023
10.0 RC 21R356 Watch5,11 12 September 2023
10.1 beta 21S5042f Watch5,11 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch5,11 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch5,11 10 October 2023
10.1 RC 21S67 Watch5,11 17 October 2023
10.2 beta 21S5331f Watch5,11 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch5,11 9 November 2023
10.2 beta 3 21S5349e Watch5,11 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch5,11 28 November 2023
10.2 RC 21S364 Watch5,11 5 December 2023
10.3 beta 21S5625c Watch5,11 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch5,11 3 January 2024
10.3 beta 3 21S5642a Watch5,11 6.03.02 9 January 2024
10.3 RC 21S644 Watch5,11 17 January 2024
10.4 beta 21T5185g Watch5,11 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch5,11 6 February 2024
10.4 beta 3 21T5202e Watch5,11 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch5,11 20 February 2024
10.4 RC 21T216 Watch5,11 4 March 2024
10.5 beta 21T5545f Watch5,11 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch5,11 16 April 2024
10.5 beta 3 21T5560d Watch5,11 6.03.02 23 April 2024

Watch5,12

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch5,12 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch5,12 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch5,12 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch5,12 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch5,12 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch5,12 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch5,12 22 August 2023
10.0 beta 8 21R5355a Watch5,12 29 August 2023
10.0 RC 21R356 Watch5,12 12 September 2023
10.1 beta 21S5042f Watch5,12 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch5,12 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch5,12 10 October 2023
10.1 RC 21S67 Watch5,12 17 October 2023
10.2 beta 21S5331f Watch5,12 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch5,12 9 November 2023
10.2 beta 3 21S5349e Watch5,12 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch5,12 28 November 2023
10.2 RC 21S364 Watch5,12 5 December 2023
10.3 beta 21S5625c Watch5,12 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch5,12 3 January 2024
10.3 beta 3 21S5642a Watch5,12 6.03.02 9 January 2024
10.3 RC 21S644 Watch5,12 17 January 2024
10.4 beta 21T5185g Watch5,12 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch5,12 6 February 2024
10.4 beta 3 21T5202e Watch5,12 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch5,12 20 February 2024
10.4 RC 21T216 Watch5,12 4 March 2024
10.5 beta 21T5545f Watch5,12 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch5,12 16 April 2024
10.5 beta 3 21T5560d Watch5,12 6.03.02 23 April 2024

Apple Watch Series 6

Watch6,1

Version Build Keys Release Date
10.0 beta 21R5275t Watch6,1 5 June 2023
10.0 beta 2 21R5295g Watch6,1 21 June 2023
10.0 beta 3 21R5305e Watch6,1 5 July 2023
10.0 beta 4 21R5320i Watch6,1 25 July 2023
10.0 beta 5 21R5332f Watch6,1 8 August 2023
10.0 beta 6 21R5341c Watch6,1 15 August 2023
10.0 beta 7 21R5349b Watch6,1 22 August 2023
10.0 beta 8 21R5355a Watch6,1 29 August 2023
10.0 RC 21R356 Watch6,1 12 September 2023
10.1 beta 21S5042f Watch6,1 27 September 2023
10.1 beta 2 21S5053f Watch6,1 3 October 2023
10.1 beta 3 21S5063a Watch6,1 10 October 2023
10.1 RC 21S67 Watch6,1 17 October 2023
10.2 beta 21S5331f Watch6,1 26 October 2023
10.2 beta 2 21S5342e Watch6,1 9 November 2023
10.2 beta 3 21S5349e Watch6,1 14 November 2023
10.2 beta 4 21S5358a Watch6,1 28 November 2023
10.2 RC 21S364 Watch6,1 5 December 2023
10.3 beta 21S5625c Watch6,1 12 December 2023
10.3 beta 2 21S5635d Watch6,1 3 January 2024
10.3 beta 3 21S5642a Watch6,1 9 January 2024
10.3 RC 21S644 Watch6,1 17 January 2024
10.4 beta 21T5185g Watch6,1 29 January 2024
10.4 beta 2 21T5196d Watch6,1 6 February 2024
10.4 beta 3 21T5202e Watch6,1 13 February 2024
10.4 beta 4 21T5213a Watch6,1 20 February 2024
10.4 RC 21T216 Watch6,1 4 March 2024
10.5 beta 21T5545f Watch6,1 2 April 2024
10.5 beta 2 21T5555d Watch6,1 16 April 2024
10.5 beta 3 21T5560d Watch6,1 23 April 2024

Watch6,2

Version Build Keys Release Date
10.0 beta 21R5275t Watch6,2 5 June 2023
10.0 beta 2 21R5295g Watch6,2 21 June 2023
10.0 beta 3 21R5305e Watch6,2 5 July 2023
10.0 beta 4 21R5320i Watch6,2 25 July 2023
10.0 beta 5 21R5332f Watch6,2 8 August 2023
10.0 beta 6 21R5341c Watch6,2 15 August 2023
10.0 beta 7 21R5349b Watch6,2 22 August 2023
10.0 beta 8 21R5355a Watch6,2 29 August 2023
10.0 RC 21R356 Watch6,2 12 September 2023
10.1 beta 21S5042f Watch6,2 27 September 2023
10.1 beta 2 21S5053f Watch6,2 3 October 2023
10.1 beta 3 21S5063a Watch6,2 10 October 2023
10.1 RC 21S67 Watch6,2 17 October 2023
10.2 beta 21S5331f Watch6,2 26 October 2023
10.2 beta 2 21S5342e Watch6,2 9 November 2023
10.2 beta 3 21S5349e Watch6,2 14 November 2023
10.2 beta 4 21S5358a Watch6,2 28 November 2023
10.2 RC 21S364 Watch6,2 5 December 2023
10.3 beta 21S5625c Watch6,2 12 December 2023
10.3 beta 2 21S5635d Watch6,2 3 January 2024
10.3 beta 3 21S5642a Watch6,2 9 January 2024
10.3 RC 21S644 Watch6,2 17 January 2024
10.4 beta 21T5185g Watch6,2 29 January 2024
10.4 beta 2 21T5196d Watch6,2 6 February 2024
10.4 beta 3 21T5202e Watch6,2 13 February 2024
10.4 beta 4 21T5213a Watch6,2 20 February 2024
10.4 RC 21T216 Watch6,2 4 March 2024
10.5 beta 21T5545f Watch6,2 2 April 2024
10.5 beta 2 21T5555d Watch6,2 16 April 2024
10.5 beta 3 21T5560d Watch6,2 23 April 2024

Watch6,3

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch6,3 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch6,3 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch6,3 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch6,3 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch6,3 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch6,3 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch6,3 22 August 2023
10.0 beta 8 21R5355a Watch6,3 29 August 2023
10.0 RC 21R356 Watch6,3 12 September 2023
10.1 beta 21S5042f Watch6,3 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch6,3 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch6,3 10 October 2023
10.1 RC 21S67 Watch6,3 17 October 2023
10.2 beta 21S5331f Watch6,3 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch6,3 9 November 2023
10.2 beta 3 21S5349e Watch6,3 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch6,3 28 November 2023
10.2 RC 21S364 Watch6,3 5 December 2023
10.3 beta 21S5625c Watch6,3 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch6,3 3 January 2024
10.3 beta 3 21S5642a Watch6,3 6.03.02 9 January 2024
10.3 RC 21S644 Watch6,3 17 January 2024
10.4 beta 21T5185g Watch6,3 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch6,3 6 February 2024
10.4 beta 3 21T5202e Watch6,3 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch6,3 20 February 2024
10.4 RC 21T216 Watch6,3 4 March 2024
10.5 beta 21T5545f Watch6,3 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch6,3 16 April 2024
10.5 beta 3 21T5560d Watch6,3 6.03.02 23 April 2024

Watch6,4

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch6,4 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch6,4 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch6,4 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch6,4 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch6,4 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch6,4 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch6,4 22 August 2023
10.0 beta 8 21R5355a Watch6,4 29 August 2023
10.0 RC 21R356 Watch6,4 12 September 2023
10.1 beta 21S5042f Watch6,4 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch6,4 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch6,4 10 October 2023
10.1 RC 21S67 Watch6,4 17 October 2023
10.2 beta 21S5331f Watch6,4 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch6,4 9 November 2023
10.2 beta 3 21S5349e Watch6,4 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch6,4 28 November 2023
10.2 RC 21S364 Watch6,4 5 December 2023
10.3 beta 21S5625c Watch6,4 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch6,4 3 January 2024
10.3 beta 3 21S5642a Watch6,4 6.03.02 9 January 2024
10.3 RC 21S644 Watch6,4 17 January 2024
10.4 beta 21T5185g Watch6,4 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch6,4 6 February 2024
10.4 beta 3 21T5202e Watch6,4 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch6,4 20 February 2024
10.4 RC 21T216 Watch6,4 4 March 2024
10.5 beta 21T5545f Watch6,4 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch6,4 16 April 2024
10.5 beta 3 21T5560d Watch6,4 6.03.02 23 April 2024

Apple Watch Series 7

Watch6,6

Version Build Keys Release Date
10.0 beta 21R5275t Watch6,6 5 June 2023
10.0 beta 2 21R5295g Watch6,6 21 June 2023
10.0 beta 3 21R5305e Watch6,6 5 July 2023
10.0 beta 4 21R5320i Watch6,6 25 July 2023
10.0 beta 5 21R5332f Watch6,6 8 August 2023
10.0 beta 6 21R5341c Watch6,6 15 August 2023
10.0 beta 7 21R5349b Watch6,6 22 August 2023
10.0 beta 8 21R5355a Watch6,6 29 August 2023
10.0 RC 21R356 Watch6,6 12 September 2023
10.1 beta 21S5042f Watch6,6 27 September 2023
10.1 beta 2 21S5053f Watch6,6 3 October 2023
10.1 beta 3 21S5063a Watch6,6 10 October 2023
10.1 RC 21S67 Watch6,6 17 October 2023
10.2 beta 21S5331f Watch6,6 26 October 2023
10.2 beta 2 21S5342e Watch6,6 9 November 2023
10.2 beta 3 21S5349e Watch6,6 14 November 2023
10.2 beta 4 21S5358a Watch6,6 28 November 2023
10.2 RC 21S364 Watch6,6 5 December 2023
10.3 beta 21S5625c Watch6,6 12 December 2023
10.3 beta 2 21S5635d Watch6,6 3 January 2024
10.3 beta 3 21S5642a Watch6,6 9 January 2024
10.3 RC 21S644 Watch6,6 17 January 2024
10.4 beta 21T5185g Watch6,6 29 January 2024
10.4 beta 2 21T5196d Watch6,6 6 February 2024
10.4 beta 3 21T5202e Watch6,6 13 February 2024
10.4 beta 4 21T5213a Watch6,6 20 February 2024
10.4 RC 21T216 Watch6,6 4 March 2024
10.5 beta 21T5545f Watch6,6 2 April 2024
10.5 beta 2 21T5555d Watch6,6 16 April 2024
10.5 beta 3 21T5560d Watch6,6 23 April 2024

Watch6,7

Version Build Keys Release Date
10.0 beta 21R5275t Watch6,7 5 June 2023
10.0 beta 2 21R5295g Watch6,7 21 June 2023
10.0 beta 3 21R5305e Watch6,7 5 July 2023
10.0 beta 4 21R5320i Watch6,7 25 July 2023
10.0 beta 5 21R5332f Watch6,7 8 August 2023
10.0 beta 6 21R5341c Watch6,7 15 August 2023
10.0 beta 7 21R5349b Watch6,7 22 August 2023
10.0 beta 8 21R5355a Watch6,7 29 August 2023
10.0 RC 21R356 Watch6,7 12 September 2023
10.1 beta 21S5042f Watch6,7 27 September 2023
10.1 beta 2 21S5053f Watch6,7 3 October 2023
10.1 beta 3 21S5063a Watch6,7 10 October 2023
10.1 RC 21S67 Watch6,7 17 October 2023
10.2 beta 21S5331f Watch6,7 26 October 2023
10.2 beta 2 21S5342e Watch6,7 9 November 2023
10.2 beta 3 21S5349e Watch6,7 14 November 2023
10.2 beta 4 21S5358a Watch6,7 28 November 2023
10.2 RC 21S364 Watch6,7 5 December 2023
10.3 beta 21S5625c Watch6,7 12 December 2023
10.3 beta 2 21S5635d Watch6,7 3 January 2024
10.3 beta 3 21S5642a Watch6,7 9 January 2024
10.3 RC 21S644 Watch6,7 17 January 2024
10.4 beta 21T5185g Watch6,7 29 January 2024
10.4 beta 2 21T5196d Watch6,7 6 February 2024
10.4 beta 3 21T5202e Watch6,7 13 February 2024
10.4 beta 4 21T5213a Watch6,7 20 February 2024
10.4 RC 21T216 Watch6,7 4 March 2024
10.5 beta 21T5545f Watch6,7 2 April 2024
10.5 beta 2 21T5555d Watch6,7 16 April 2024
10.5 beta 3 21T5560d Watch6,7 23 April 2024

Watch6,8

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch6,8 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch6,8 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch6,8 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch6,8 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch6,8 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch6,8 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch6,8 22 August 2023
10.0 beta 8 21R5355a Watch6,8 29 August 2023
10.0 RC 21R356 Watch6,8 12 September 2023
10.1 beta 21S5042f Watch6,8 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch6,8 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch6,8 10 October 2023
10.1 RC 21S67 Watch6,8 17 October 2023
10.2 beta 21S5331f Watch6,8 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch6,8 9 November 2023
10.2 beta 3 21S5349e Watch6,8 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch6,8 28 November 2023
10.2 RC 21S364 Watch6,8 5 December 2023
10.3 beta 21S5625c Watch6,8 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch6,8 3 January 2024
10.3 beta 3 21S5642a Watch6,8 6.03.02 9 January 2024
10.3 RC 21S644 Watch6,8 17 January 2024
10.4 beta 21T5185g Watch6,8 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch6,8 6 February 2024
10.4 beta 3 21T5202e Watch6,8 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch6,8 20 February 2024
10.4 RC 21T216 Watch6,8 4 March 2024
10.5 beta 21T5545f Watch6,8 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch6,8 16 April 2024
10.5 beta 3 21T5560d Watch6,8 6.03.02 23 April 2024

Watch6,9

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch6,9 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch6,9 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch6,9 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch6,9 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch6,9 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch6,9 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch6,9 22 August 2023
10.0 beta 8 21R5355a Watch6,9 29 August 2023
10.0 RC 21R356 Watch6,9 12 September 2023
10.1 beta 21S5042f Watch6,9 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch6,9 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch6,9 10 October 2023
10.1 RC 21S67 Watch6,9 17 October 2023
10.2 beta 21S5331f Watch6,9 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch6,9 9 November 2023
10.2 beta 3 21S5349e Watch6,9 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch6,9 28 November 2023
10.2 RC 21S364 Watch6,9 5 December 2023
10.3 beta 21S5625c Watch6,9 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch6,9 3 January 2024
10.3 beta 3 21S5642a Watch6,9 6.03.02 9 January 2024
10.3 RC 21S644 Watch6,9 17 January 2024
10.4 beta 21T5185g Watch6,9 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch6,9 6 February 2024
10.4 beta 3 21T5202e Watch6,9 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch6,9 20 February 2024
10.4 RC 21T216 Watch6,9 4 March 2024
10.5 beta 21T5545f Watch6,9 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch6,9 16 April 2024
10.5 beta 3 21T5560d Watch6,9 6.03.02 23 April 2024

Apple Watch SE

Watch6,10

Version Build Keys Release Date
10.0 beta 21R5275t Watch6,10 5 June 2023
10.0 beta 2 21R5295g Watch6,10 21 June 2023
10.0 beta 3 21R5305e Watch6,10 5 July 2023
10.0 beta 4 21R5320i Watch6,10 25 July 2023
10.0 beta 5 21R5332f Watch6,10 8 August 2023
10.0 beta 6 21R5341c Watch6,10 15 August 2023
10.0 beta 7 21R5349b Watch6,10 22 August 2023
10.0 beta 8 21R5355a Watch6,10 29 August 2023
10.0 RC 21R356 Watch6,10 12 September 2023
10.1 beta 21S5042f Watch6,10 27 September 2023
10.1 beta 2 21S5053f Watch6,10 3 October 2023
10.1 beta 3 21S5063a Watch6,10 10 October 2023
10.1 RC 21S67 Watch6,10 17 October 2023
10.2 beta 21S5331f Watch6,10 26 October 2023
10.2 beta 2 21S5342e Watch6,10 9 November 2023
10.2 beta 3 21S5349e Watch6,10 14 November 2023
10.2 beta 4 21S5358a Watch6,10 28 November 2023
10.2 RC 21S364 Watch6,10 5 December 2023
10.3 beta 21S5625c Watch6,10 12 December 2023
10.3 beta 2 21S5635d Watch6,10 3 January 2024
10.3 beta 3 21S5642a Watch6,10 9 January 2024
10.3 RC 21S644 Watch6,10 17 January 2024
10.4 beta 21T5185g Watch6,10 29 January 2024
10.4 beta 2 21T5196d Watch6,10 6 February 2024
10.4 beta 3 21T5202e Watch6,10 13 February 2024
10.4 beta 4 21T5213a Watch6,10 20 February 2024
10.4 RC 21T216 Watch6,10 4 March 2024
10.5 beta 21T5545f Watch6,10 2 April 2024
10.5 beta 2 21T5555d Watch6,10 16 April 2024
10.5 beta 3 21T5560d Watch6,10 23 April 2024

Watch6,11

Version Build Keys Release Date
10.0 beta 21R5275t Watch6,11 5 June 2023
10.0 beta 2 21R5295g Watch6,11 21 June 2023
10.0 beta 3 21R5305e Watch6,11 5 July 2023
10.0 beta 4 21R5320i Watch6,11 25 July 2023
10.0 beta 5 21R5332f Watch6,11 8 August 2023
10.0 beta 6 21R5341c Watch6,11 15 August 2023
10.0 beta 7 21R5349b Watch6,11 22 August 2023
10.0 beta 8 21R5355a Watch6,11 29 August 2023
10.0 RC 21R356 Watch6,11 12 September 2023
10.1 beta 21S5042f Watch6,11 27 September 2023
10.1 beta 2 21S5053f Watch6,11 3 October 2023
10.1 beta 3 21S5063a Watch6,11 10 October 2023
10.1 RC 21S67 Watch6,11 17 October 2023
10.2 beta 21S5331f Watch6,11 26 October 2023
10.2 beta 2 21S5342e Watch6,11 9 November 2023
10.2 beta 3 21S5349e Watch6,11 14 November 2023
10.2 beta 4 21S5358a Watch6,11 28 November 2023
10.2 RC 21S364 Watch6,11 5 December 2023
10.3 beta 21S5625c Watch6,11 12 December 2023
10.3 beta 2 21S5635d Watch6,11 3 January 2024
10.3 beta 3 21S5642a Watch6,11 9 January 2024
10.3 RC 21S644 Watch6,11 17 January 2024
10.4 beta 21T5185g Watch6,11 29 January 2024
10.4 beta 2 21T5196d Watch6,11 6 February 2024
10.4 beta 3 21T5202e Watch6,11 13 February 2024
10.4 beta 4 21T5213a Watch6,11 20 February 2024
10.4 RC 21T216 Watch6,11 4 March 2024
10.5 beta 21T5545f Watch6,11 2 April 2024
10.5 beta 2 21T5555d Watch6,11 16 April 2024
10.5 beta 3 21T5560d Watch6,11 23 April 2024

Watch6,12

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch6,12 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch6,12 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch6,12 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch6,12 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch6,12 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch6,12 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch6,12 22 August 2023
10.0 beta 8 21R5355a Watch6,12 29 August 2023
10.0 RC 21R356 Watch6,12 12 September 2023
10.1 beta 21S5042f Watch6,12 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch6,12 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch6,12 10 October 2023
10.1 RC 21S67 Watch6,12 17 October 2023
10.2 beta 21S5331f Watch6,12 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch6,12 9 November 2023
10.2 beta 3 21S5349e Watch6,12 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch6,12 28 November 2023
10.2 RC 21S364 Watch6,12 5 December 2023
10.3 beta 21S5625c Watch6,12 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch6,12 3 January 2024
10.3 beta 3 21S5642a Watch6,12 6.03.02 9 January 2024
10.3 RC 21S644 Watch6,12 17 January 2024
10.4 beta 21T5185g Watch6,12 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch6,12 6 February 2024
10.4 beta 3 21T5202e Watch6,12 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch6,12 20 February 2024
10.4 RC 21T216 Watch6,12 4 March 2024
10.5 beta 21T5545f Watch6,12 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch6,12 16 April 2024
10.5 beta 3 21T5560d Watch6,12 6.03.02 23 April 2024

Watch6,13

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch6,13 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch6,13 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch6,13 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch6,13 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch6,13 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch6,13 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch6,13 22 August 2023
10.0 beta 8 21R5355a Watch6,13 29 August 2023
10.0 RC 21R356 Watch6,13 12 September 2023
10.1 beta 21S5042f Watch6,13 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch6,13 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch6,13 10 October 2023
10.1 RC 21S67 Watch6,13 17 October 2023
10.2 beta 21S5331f Watch6,13 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch6,13 9 November 2023
10.2 beta 3 21S5349e Watch6,13 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch6,13 28 November 2023
10.2 RC 21S364 Watch6,13 5 December 2023
10.3 beta 21S5625c Watch6,13 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch6,13 3 January 2024
10.3 beta 3 21S5642a Watch6,13 6.03.02 9 January 2024
10.3 RC 21S644 Watch6,13 17 January 2024
10.4 beta 21T5185g Watch6,13 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch6,13 6 February 2024
10.4 beta 3 21T5202e Watch6,13 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch6,13 20 February 2024
10.4 RC 21T216 Watch6,13 4 March 2024
10.5 beta 21T5545f Watch6,13 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch6,13 16 April 2024
10.5 beta 3 21T5560d Watch6,13 6.03.02 23 April 2024

Apple Watch Series 8

Watch6,14

Version Build Keys Release Date
10.0 beta 21R5275t Watch6,14 5 June 2023
10.0 beta 2 21R5295g Watch6,14 21 June 2023
10.0 beta 3 21R5305e Watch6,14 5 July 2023
10.0 beta 4 21R5320i Watch6,14 25 July 2023
10.0 beta 5 21R5332f Watch6,14 8 August 2023
10.0 beta 6 21R5341c Watch6,14 15 August 2023
10.0 beta 7 21R5349b Watch6,14 22 August 2023
10.0 beta 8 21R5355a Watch6,14 29 August 2023
10.0 RC 21R356 Watch6,14 12 September 2023
10.1 beta 21S5042f Watch6,14 27 September 2023
10.1 beta 2 21S5053f Watch6,14 3 October 2023
10.1 beta 3 21S5063a Watch6,14 10 October 2023
10.1 RC 21S67 Watch6,14 17 October 2023
10.2 beta 21S5331f Watch6,14 26 October 2023
10.2 beta 2 21S5342e Watch6,14 9 November 2023
10.2 beta 3 21S5349e Watch6,14 14 November 2023
10.2 beta 4 21S5358a Watch6,14 28 November 2023
10.2 RC 21S364 Watch6,14 5 December 2023
10.3 beta 21S5625c Watch6,14 12 December 2023
10.3 beta 2 21S5635d Watch6,14 3 January 2024
10.3 beta 3 21S5642a Watch6,14 9 January 2024
10.3 RC 21S644 Watch6,14 17 January 2024
10.4 beta 21T5185g Watch6,14 29 January 2024
10.4 beta 2 21T5196d Watch6,14 6 February 2024
10.4 beta 3 21T5202e Watch6,14 13 February 2024
10.4 beta 4 21T5213a Watch6,14 20 February 2024
10.4 RC 21T216 Watch6,14 4 March 2024
10.5 beta 21T5545f Watch6,14 2 April 2024
10.5 beta 2 21T5555d Watch6,14 16 April 2024
10.5 beta 3 21T5560d Watch6,14 23 April 2024

Watch6,15

Version Build Keys Release Date
10.0 beta 21R5275t Watch6,15 5 June 2023
10.0 beta 2 21R5295g Watch6,15 21 June 2023
10.0 beta 3 21R5305e Watch6,15 5 July 2023
10.0 beta 4 21R5320i Watch6,15 25 July 2023
10.0 beta 5 21R5332f Watch6,15 8 August 2023
10.0 beta 6 21R5341c Watch6,15 15 August 2023
10.0 beta 7 21R5349b Watch6,15 22 August 2023
10.0 beta 8 21R5355a Watch6,15 29 August 2023
10.0 RC 21R356 Watch6,15 12 September 2023
10.1 beta 21S5042f Watch6,15 27 September 2023
10.1 beta 2 21S5053f Watch6,15 3 October 2023
10.1 beta 3 21S5063a Watch6,15 10 October 2023
10.1 RC 21S67 Watch6,15 17 October 2023
10.2 beta 21S5331f Watch6,15 26 October 2023
10.2 beta 2 21S5342e Watch6,15 9 November 2023
10.2 beta 3 21S5349e Watch6,15 14 November 2023
10.2 beta 4 21S5358a Watch6,15 28 November 2023
10.2 RC 21S364 Watch6,15 5 December 2023
10.3 beta 21S5625c Watch6,15 12 December 2023
10.3 beta 2 21S5635d Watch6,15 3 January 2024
10.3 beta 3 21S5642a Watch6,15 9 January 2024
10.3 RC 21S644 Watch6,15 17 January 2024
10.4 beta 21T5185g Watch6,15 29 January 2024
10.4 beta 2 21T5196d Watch6,15 6 February 2024
10.4 beta 3 21T5202e Watch6,15 13 February 2024
10.4 beta 4 21T5213a Watch6,15 20 February 2024
10.4 RC 21T216 Watch6,15 4 March 2024
10.5 beta 21T5545f Watch6,15 2 April 2024
10.5 beta 2 21T5555d Watch6,15 16 April 2024
10.5 beta 3 21T5560d Watch6,15 23 April 2024

Watch6,16

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch6,16 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch6,16 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch6,16 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch6,16 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch6,16 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch6,16 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch6,16 22 August 2023
10.0 beta 8 21R5355a Watch6,16 29 August 2023
10.0 RC 21R356 Watch6,16 12 September 2023
10.1 beta 21S5042f Watch6,16 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch6,16 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch6,16 10 October 2023
10.1 RC 21S67 Watch6,16 17 October 2023
10.2 beta 21S5331f Watch6,16 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch6,16 9 November 2023
10.2 beta 3 21S5349e Watch6,16 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch6,16 28 November 2023
10.2 RC 21S364 Watch6,16 5 December 2023
10.3 beta 21S5625c Watch6,16 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch6,16 3 January 2024
10.3 beta 3 21S5642a Watch6,16 6.03.02 9 January 2024
10.3 RC 21S644 Watch6,16 17 January 2024
10.4 beta 21T5185g Watch6,16 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch6,16 6 February 2024
10.4 beta 3 21T5202e Watch6,16 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch6,16 20 February 2024
10.4 RC 21T216 Watch6,16 4 March 2024
10.5 beta 21T5545f Watch6,16 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch6,16 16 April 2024
10.5 beta 3 21T5560d Watch6,16 6.03.02 23 April 2024

Watch6,17

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch6,17 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch6,17 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch6,17 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch6,17 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch6,17 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch6,17 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch6,17 22 August 2023
10.0 beta 8 21R5355a Watch6,17 29 August 2023
10.0 RC 21R356 Watch6,17 12 September 2023
10.1 beta 21S5042f Watch6,17 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch6,17 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch6,17 10 October 2023
10.1 RC 21S67 Watch6,17 17 October 2023
10.2 beta 21S5331f Watch6,17 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch6,17 9 November 2023
10.2 beta 3 21S5349e Watch6,17 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch6,17 28 November 2023
10.2 RC 21S364 Watch6,17 5 December 2023
10.3 beta 21S5625c Watch6,17 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch6,17 3 January 2024
10.3 beta 3 21S5642a Watch6,17 6.03.02 9 January 2024
10.3 RC 21S644 Watch6,17 17 January 2024
10.4 beta 21T5185g Watch6,17 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch6,17 6 February 2024
10.4 beta 3 21T5202e Watch6,17 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch6,17 20 February 2024
10.4 RC 21T216 Watch6,17 4 March 2024
10.5 beta 21T5545f Watch6,17 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch6,17 16 April 2024
10.5 beta 3 21T5560d Watch6,17 6.03.02 23 April 2024

Apple Watch Ultra

Version Build Keys Baseband Release Date
10.0 beta 21R5275t Watch6,18 5.50.14 5 June 2023
10.0 beta 2 21R5295g Watch6,18 5.50.17 21 June 2023
10.0 beta 3 21R5305e Watch6,18 5.50.18 5 July 2023
10.0 beta 4 21R5320i Watch6,18 5.50.20 25 July 2023
10.0 beta 5 21R5332f Watch6,18 6.00.00 8 August 2023
10.0 beta 6 21R5341c Watch6,18 6.00.01 15 August 2023
10.0 beta 7 21R5349b Watch6,18 22 August 2023
10.0 beta 8 21R5355a Watch6,18 29 August 2023
10.0 RC 21R356 Watch6,18 12 September 2023
10.1 beta 21S5042f Watch6,18 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch6,18 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch6,18 10 October 2023
10.1 RC 21S67 Watch6,18 17 October 2023
10.2 beta 21S5331f Watch6,18 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch6,18 9 November 2023
10.2 beta 3 21S5349e Watch6,18 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch6,18 28 November 2023
10.2 RC 21S364 Watch6,18 5 December 2023
10.3 beta 21S5625c Watch6,18 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch6,18 3 January 2024
10.3 beta 3 21S5642a Watch6,18 6.03.02 9 January 2024
10.3 RC 21S644 Watch6,18 17 January 2024
10.4 beta 21T5185g Watch6,18 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch6,18 6 February 2024
10.4 beta 3 21T5202e Watch6,18 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch6,18 20 February 2024
10.4 RC 21T216 Watch6,18 4 March 2024
10.5 beta 21T5545f Watch6,18 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch6,18 16 April 2024
10.5 beta 3 21T5560d Watch6,18 6.03.02 23 April 2024

Apple Watch Series 9

Watch7,1

Version Build Keys Release Date
10.1 beta 21S5042f Watch7,1 27 September 2023
10.1 beta 2 21S5053f Watch7,1 3 October 2023
10.1 beta 3 21S5063a Watch7,1 10 October 2023
10.1 RC 21S67 Watch7,1 17 October 2023
10.2 beta 21S5331f Watch7,1 26 October 2023
10.2 beta 2 21S5342e Watch7,1 9 November 2023
10.2 beta 3 21S5349e Watch7,1 14 November 2023
10.2 beta 4 21S5358a Watch7,1 28 November 2023
10.2 RC 21S364 Watch7,1 5 December 2023
10.3 beta 21S5625c Watch7,1 12 December 2023
10.3 beta 2 21S5635d Watch7,1 3 January 2024
10.3 beta 3 21S5642a Watch7,1 9 January 2024
10.3 RC 21S644 Watch7,1 17 January 2024
10.4 beta 21T5185g Watch7,1 29 January 2024
10.4 beta 2 21T5196d Watch7,1 6 February 2024
10.4 beta 3 21T5202e Watch7,1 13 February 2024
10.4 beta 4 21T5213a Watch7,1 20 February 2024
10.4 RC 21T216 Watch7,1 4 March 2024
10.5 beta 21T5545f Watch7,1 2 April 2024
10.5 beta 2 21T5555d Watch7,1 16 April 2024
10.5 beta 3 21T5560d Watch7,1 23 April 2024

Watch7,2

Version Build Keys Release Date
10.1 beta 21S5042f Watch7,2 27 September 2023
10.1 beta 2 21S5053f Watch7,2 3 October 2023
10.1 beta 3 21S5063a Watch7,2 10 October 2023
10.1 RC 21S67 Watch7,2 17 October 2023
10.2 beta 21S5331f Watch7,2 26 October 2023
10.2 beta 2 21S5342e Watch7,2 9 November 2023
10.2 beta 3 21S5349e Watch7,2 14 November 2023
10.2 beta 4 21S5358a Watch7,2 28 November 2023
10.2 RC 21S364 Watch7,2 5 December 2023
10.3 beta 21S5625c Watch7,2 12 December 2023
10.3 beta 2 21S5635d Watch7,2 3 January 2024
10.3 beta 3 21S5642a Watch7,2 9 January 2024
10.3 RC 21S644 Watch7,2 17 January 2024
10.4 beta 21T5185g Watch7,2 29 January 2024
10.4 beta 2 21T5196d Watch7,2 6 February 2024
10.4 beta 3 21T5202e Watch7,2 13 February 2024
10.4 beta 4 21T5213a Watch7,2 20 February 2024
10.4 RC 21T216 Watch7,2 4 March 2024
10.5 beta 21T5545f Watch7,2 2 April 2024
10.5 beta 2 21T5555d Watch7,2 16 April 2024
10.5 beta 3 21T5560d Watch7,2 23 April 2024

Watch7,3

Version Build Keys Baseband Release Date
10.1 beta 21S5042f Watch7,3 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch7,3 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch7,3 10 October 2023
10.1 RC 21S67 Watch7,3 17 October 2023
10.2 beta 21S5331f Watch7,3 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch7,3 9 November 2023
10.2 beta 3 21S5349e Watch7,3 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch7,3 28 November 2023
10.2 RC 21S364 Watch7,3 5 December 2023
10.3 beta 21S5625c Watch7,3 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch7,3 3 January 2024
10.3 beta 3 21S5642a Watch7,3 6.03.02 9 January 2024
10.3 RC 21S644 Watch7,3 17 January 2024
10.4 beta 21T5185g Watch7,3 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch7,3 6 February 2024
10.4 beta 3 21T5202e Watch7,3 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch7,3 20 February 2024
10.4 RC 21T216 Watch7,3 4 March 2024
10.5 beta 21T5545f Watch7,3 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch7,3 16 April 2024
10.5 beta 3 21T5560d Watch7,3 6.03.02 23 April 2024

Watch7,4

Version Build Keys Baseband Release Date
10.1 beta 21S5042f Watch7,4 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch7,4 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch7,4 10 October 2023
10.1 RC 21S67 Watch7,4 17 October 2023
10.2 beta 21S5331f Watch7,4 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch7,4 9 November 2023
10.2 beta 3 21S5349e Watch7,4 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch7,4 28 November 2023
10.2 RC 21S364 Watch7,4 5 December 2023
10.3 beta 21S5625c Watch7,4 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch7,4 3 January 2024
10.3 beta 3 21S5642a Watch7,4 6.03.02 9 January 2024
10.3 RC 21S644 Watch7,4 17 January 2024
10.4 beta 21T5185g Watch7,4 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch7,4 6 February 2024
10.4 beta 3 21T5202e Watch7,4 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch7,4 20 February 2024
10.4 RC 21T216 Watch7,4 4 March 2024
10.5 beta 21T5545f Watch7,4 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch7,4 16 April 2024
10.5 beta 3 21T5560d Watch7,4 6.03.02 23 April 2024

Apple Watch Ultra 2

Version Build Keys Baseband Release Date
10.1 beta 21S5042f Watch7,5 6.01.00 27 September 2023
10.1 beta 2 21S5053f Watch7,5 6.01.01 3 October 2023
10.1 beta 3 21S5063a Watch7,5 10 October 2023
10.1 RC 21S67 Watch7,5 17 October 2023
10.2 beta 21S5331f Watch7,5 6.02.00 26 October 2023
10.2 beta 2 21S5342e Watch7,5 9 November 2023
10.2 beta 3 21S5349e Watch7,5 6.02.01 14 November 2023
10.2 beta 4 21S5358a Watch7,5 28 November 2023
10.2 RC 21S364 Watch7,5 5 December 2023
10.3 beta 21S5625c Watch7,5 6.03.01 12 December 2023
10.3 beta 2 21S5635d Watch7,5 3 January 2024
10.3 beta 3 21S5642a Watch7,5 6.03.02 9 January 2024
10.3 RC 21S644 Watch7,5 17 January 2024
10.4 beta 21T5185g Watch7,5 6.03.01 29 January 2024
10.4 beta 2 21T5196d Watch7,5 6 February 2024
10.4 beta 3 21T5202e Watch7,5 6.03.02 13 February 2024
10.4 beta 4 21T5213a Watch7,5 20 February 2024
10.4 RC 21T216 Watch7,5 4 March 2024
10.5 beta 21T5545f Watch7,5 6.03.01 2 April 2024
10.5 beta 2 21T5555d Watch7,5 16 April 2024
10.5 beta 3 21T5560d Watch7,5 6.03.02 23 April 2024