Beta Firmware/Apple Watch/5.x

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Revision as of 00:28, 11 July 2019 by DanTheMann15 (talk | contribs) (watchOS 5.3 Beta 5)
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Apple Watch Series 1

Watch2,6

Version Build Keys Release Date
watchOS iOS
5.0 beta 12.0 beta 16R5283q Watch2,6 4 June 2018
16R5283r Watch2,6 11 June 2018
5.0 beta 2 12.0 beta 2 16R5303d Watch2,6 19 June 2018
5.0 beta 3 12.0 beta 3 16R5313d Watch2,6 3 July 2018
5.0 beta 4 12.0 beta 4 16R5322d Watch2,6 17 July 2018
5.0 beta 5 12.0 beta 5 16R5334f Watch2,6 30 July 2018
5.0 beta 6 12.0 beta 6 16R5340g Watch2,6 6 August 2018
5.0 beta 7 12.0 beta 7 16R5349a Watch2,6 13 August 2018
5.0 beta 8 12.0 beta 9 16R5357a Watch2,6 20 August 2018
5.0 beta 9 12.0 beta 10 16R5360a Watch2,6 24 August 2018
5.0 beta 10 12.0 beta 12 16R5363a Watch2,6 31 August 2018
5.0 GM 12.0 GM 16R364 Watch2,6 12 September 2018
5.1 beta 12.1 beta 16R5559d Watch2,6 18 September 2018
5.1 beta 2 12.1 beta 2 16R5568d Watch2,6 2 October 2018
5.1 beta 3 12.1 beta 3 16R5577c Watch2,6 9 October 2018
5.1 beta 4 12.1 beta 4 16R5584a Watch2,6 15 October 2018
5.1 beta 5 12.1 beta 5 16R5589c Watch2,6 22 October 2018
5.1.2 beta 12.1.1 beta 2 16S5042a Watch2,6 7 November 2018
5.1.2 beta 2 12.1.1 beta 3 16S5046a Watch2,6 15 November 2018
5.1.3 beta 12.1.2 beta 16S5523a Watch2,6 10 December 2018
5.1.3 beta 2 12.1.3 beta 2 16S5531a Watch2,6 19 December 2018
5.1.3 beta 3 12.1.3 beta 3 16S5535a Watch2,6 7 January 2019
5.2 beta 12.2 beta 16T5181f Watch2,6 24 January 2019
5.2 beta 2 12.2 beta 2 16T5191d Watch2,6 4 February 2019
5.2 beta 3 12.2 beta 3 16T5201c Watch2,6 19 February 2019
5.2 beta 4 12.2 beta 4 16T5212e Watch2,6 4 March 2019
5.2 beta 5 12.2 beta 5 16T5222a Watch2,6 11 March 2019
5.2 beta 6 12.2 beta 6 16T5225a Watch2,6 18 March 2019
5.2.1 beta 12.3 beta 16U5079d Watch2,6 28 March 2019
5.2.1 beta 2 12.3 beta 2 16U5091b Watch2,6 8 April 2019
5.2.1 beta 3 12.3 beta 3 16U5101c Watch2,6 22 April 2019
5.2.1 beta 4 12.3 beta 4 16U5110a Watch2,6 29 April 2019
5.2.1 beta 5 12.3 beta 5 16U5113a Watch2,6 7 May 2019
5.3 beta 12.4 beta 16U5526f Watch2,6 15 May 2019
5.3 beta 2 12.4 beta 3 16U5537b Watch2,6 28 May 2019
5.3 beta 3 12.4 beta 4 16U5545c Watch2,6 11 June 2019
5.3 beta 4 12.4 beta 5 16U5558b Watch2,6 24 June 2019
5.3 beta 5 12.4 beta 6 16U5566a Watch2,6 9 July 2019

Watch2,7

Version Build Keys Release Date
watchOS iOS
5.0 beta 12.0 beta 16R5283q Watch2,7 4 June 2018
16R5283r Watch2,7 11 June 2018
5.0 beta 2 12.0 beta 2 16R5303d Watch2,7 19 June 2018
5.0 beta 3 12.0 beta 3 16R5313d Watch2,7 3 July 2018
5.0 beta 4 12.0 beta 4 16R5322d Watch2,7 17 July 2018
5.0 beta 5 12.0 beta 5 16R5334f Watch2,7 30 July 2018
5.0 beta 6 12.0 beta 6 16R5340g Watch2,7 6 August 2018
5.0 beta 7 12.0 beta 7 16R5349a Watch2,7 13 August 2018
5.0 beta 8 12.0 beta 9 16R5357a Watch2,7 20 August 2018
5.0 beta 9 12.0 beta 10 16R5360a Watch2,7 24 August 2018
5.0 beta 10 12.0 beta 12 16R5363a Watch2,7 31 August 2018
5.0 GM 12.0 GM 16R364 Watch2,7 12 September 2018
5.1 beta 12.1 beta 16R5559d Watch2,7 18 September 2018
5.1 beta 2 12.1 beta 2 16R5568d Watch2,7 2 October 2018
5.1 beta 3 12.1 beta 3 16R5577c Watch2,7 9 October 2018
5.1 beta 4 12.1 beta 4 16R5584a Watch2,7 15 October 2018
5.1 beta 5 12.1 beta 5 16R5589c Watch2,7 22 October 2018
5.1.2 beta 12.1.1 beta 2 16S5042a Watch2,7 7 November 2018
5.1.2 beta 2 12.1.1 beta 3 16S5046a Watch2,7 15 November 2018
5.1.3 beta 12.1.2 beta 16S5523a Watch2,7 10 December 2018
5.1.3 beta 2 12.1.3 beta 2 16S5531a Watch2,7 19 December 2018
5.1.3 beta 3 12.1.3 beta 3 16S5535a Watch2,7 7 January 2019
5.2 beta 12.2 beta 16T5181f Watch2,7 24 January 2019
5.2 beta 2 12.2 beta 2 16T5191d Watch2,7 4 February 2019
5.2 beta 3 12.2 beta 3 16T5201c Watch2,7 19 February 2019
5.2 beta 4 12.2 beta 4 16T5212e Watch2,7 4 March 2019
5.2 beta 5 12.2 beta 5 16T5222a Watch2,7 11 March 2019
5.2 beta 6 12.2 beta 6 16T5225a Watch2,7 18 March 2019
5.2.1 beta 12.3 beta 16U5079d Watch2,7 28 March 2019
5.2.1 beta 2 12.3 beta 2 16U5091b Watch2,7 8 April 2019
5.2.1 beta 3 12.3 beta 3 16U5101c Watch2,7 22 April 2019
5.2.1 beta 4 12.3 beta 4 16U5110a Watch2,7 29 April 2019
5.2.1 beta 5 12.3 beta 5 16U5113a Watch2,7 7 May 2019
5.3 beta 12.4 beta 16U5526f Watch2,7 15 May 2019
5.3 beta 2 12.4 beta 3 16U5537b Watch2,7 28 May 2019
5.3 beta 3 12.4 beta 4 16U5545c Watch2,7 11 June 2019
5.3 beta 4 12.4 beta 5 16U5558b Watch2,7 24 June 2019
5.3 beta 5 12.4 beta 6 16U5566a Watch2,7 9 July 2019

Apple Watch Series 2

Watch2,3

Version Build Keys Release Date
watchOS iOS
5.0 beta 12.0 beta 16R5283q Watch2,3 4 June 2018
16R5283r Watch2,3 11 June 2018
5.0 beta 2 12.0 beta 2 16R5303d Watch2,3 19 June 2018
5.0 beta 3 12.0 beta 3 16R5313d Watch2,3 3 July 2018
5.0 beta 4 12.0 beta 4 16R5322d Watch2,3 17 July 2018
5.0 beta 5 12.0 beta 5 16R5334f Watch2,3 30 July 2018
5.0 beta 6 12.0 beta 6 16R5340g Watch2,3 6 August 2018
5.0 beta 7 12.0 beta 7 16R5349a Watch2,3 13 August 2018
5.0 beta 8 12.0 beta 9 16R5357a Watch2,3 20 August 2018
5.0 beta 9 12.0 beta 10 16R5360a Watch2,3 24 August 2018
5.0 beta 10 12.0 beta 12 16R5363a Watch2,3 31 August 2018
5.0 GM 12.0 GM 16R364 Watch2,3 12 September 2018
5.1 beta 12.1 beta 16R5559d Watch2,3 18 September 2018
5.1 beta 2 12.1 beta 2 16R5568d Watch2,3 2 October 2018
5.1 beta 3 12.1 beta 3 16R5577c Watch2,3 9 October 2018
5.1 beta 4 12.1 beta 4 16R5584a Watch2,3 15 October 2018
5.1 beta 5 12.1 beta 5 16R5589c Watch2,3 22 October 2018
5.1.2 beta 12.1.1 beta 2 16S5042a Watch2,3 7 November 2018
5.1.2 beta 2 12.1.1 beta 3 16S5046a Watch2,3 15 November 2018
5.1.3 beta 12.1.2 beta 16S5523a Watch2,3 10 December 2018
5.1.3 beta 2 12.1.3 beta 2 16S5531a Watch2,3 19 December 2018
5.1.3 beta 3 12.1.3 beta 3 16S5535a Watch2,3 7 January 2019
5.2 beta 12.2 beta 16T5181f Watch2,3 24 January 2019
5.2 beta 2 12.2 beta 2 16T5191d Watch2,3 4 February 2019
5.2 beta 3 12.2 beta 3 16T5201c Watch2,3 19 February 2019
5.2 beta 4 12.2 beta 4 16T5212e Watch2,3 4 March 2019
5.2 beta 5 12.2 beta 5 16T5222a Watch2,3 11 March 2019
5.2 beta 6 12.2 beta 6 16T5225a Watch2,3 18 March 2019
5.2.1 beta 12.3 beta 16U5079d Watch2,3 28 March 2019
5.2.1 beta 2 12.3 beta 2 16U5091b Watch2,3 8 April 2019
5.2.1 beta 3 12.3 beta 3 16U5101c Watch2,3 22 April 2019
5.2.1 beta 4 12.3 beta 4 16U5110a Watch2,3 29 April 2019
5.2.1 beta 5 12.3 beta 5 16U5113a Watch2,3 7 May 2019
5.3 beta 12.4 beta 16U5526f Watch2,3 15 May 2019
5.3 beta 2 12.4 beta 3 16U5537b Watch2,3 28 May 2019
5.3 beta 3 12.4 beta 4 16U5545c Watch2,3 11 June 2019
5.3 beta 4 12.4 beta 5 16U5558b Watch2,3 24 June 2019
5.3 beta 5 12.4 beta 6 16U5566a Watch2,3 9 July 2019

Watch2,4

Version Build Keys Release Date
watchOS iOS
5.0 beta 12.0 beta 16R5283q Watch2,4 4 June 2018
16R5283r Watch2,4 11 June 2018
5.0 beta 2 12.0 beta 2 16R5303d Watch2,4 19 June 2018
5.0 beta 3 12.0 beta 3 16R5313d Watch2,4 3 July 2018
5.0 beta 4 12.0 beta 4 16R5322d Watch2,4 17 July 2018
5.0 beta 5 12.0 beta 5 16R5334f Watch2,4 30 July 2018
5.0 beta 6 12.0 beta 6 16R5340g Watch2,4 6 August 2018
5.0 beta 7 12.0 beta 7 16R5349a Watch2,4 13 August 2018
5.0 beta 8 12.0 beta 9 16R5357a Watch2,4 20 August 2018
5.0 beta 9 12.0 beta 10 16R5360a Watch2,4 24 August 2018
5.0 beta 10 12.0 beta 12 16R5363a Watch2,4 31 August 2018
5.0 GM 12.0 GM 16R364 Watch2,4 12 September 2018
5.1 beta 12.1 beta 16R5559d Watch2,4 18 September 2018
5.1 beta 2 12.1 beta 2 16R5568d Watch2,4 2 October 2018
5.1 beta 3 12.1 beta 3 16R5577c Watch2,4 9 October 2018
5.1 beta 4 12.1 beta 4 16R5584a Watch2,4 15 October 2018
5.1 beta 5 12.1 beta 5 16R5589c Watch2,4 22 October 2018
5.1.2 beta 12.1.1 beta 2 16S5042a Watch2,4 7 November 2018
5.1.2 beta 2 12.1.1 beta 3 16S5046a Watch2,4 15 November 2018
5.1.3 beta 12.1.2 beta 16S5523a Watch2,4 10 December 2018
5.1.3 beta 2 12.1.3 beta 2 16S5531a Watch2,4 19 December 2018
5.1.3 beta 3 12.1.3 beta 3 16S5535a Watch2,4 7 January 2019
5.2 beta 12.2 beta 16T5181f Watch2,4 24 January 2019
5.2 beta 2 12.2 beta 2 16T5191d Watch2,4 4 February 2019
5.2 beta 3 12.2 beta 3 16T5201c Watch2,4 19 February 2019
5.2 beta 4 12.2 beta 4 16T5212e Watch2,4 4 March 2019
5.2 beta 5 12.2 beta 5 16T5222a Watch2,4 11 March 2019
5.2 beta 6 12.2 beta 6 16T5225a Watch2,4 18 March 2019
5.2.1 beta 12.3 beta 16U5079d Watch2,4 28 March 2019
5.2.1 beta 2 12.3 beta 2 16U5091b Watch2,4 8 April 2019
5.2.1 beta 3 12.3 beta 3 16U5101c Watch2,4 22 April 2019
5.2.1 beta 4 12.3 beta 4 16U5110a Watch2,4 29 April 2019
5.2.1 beta 5 12.3 beta 5 16U5113a Watch2,4 7 May 2019
5.3 beta 12.4 beta 16U5526f Watch2,4 15 May 2019
5.3 beta 2 12.4 beta 3 16U5537b Watch2,4 28 May 2019
5.3 beta 3 12.4 beta 4 16U5545c Watch2,4 11 June 2019
5.3 beta 4 12.4 beta 5 16U5558b Watch2,4 24 June 2019
5.3 beta 5 12.4 beta 6 16U5566a Watch2,4 9 July 2019

Apple Watch Series 3

Watch3,1

Version Build Keys Baseband Release Date
watchOS iOS
5.0 beta 12.0 beta 16R5283q Watch3,1 2.03.00 4 June 2018
16R5283r Watch3,1 11 June 2018
5.0 beta 2 12.0 beta 2 16R5303d Watch3,1 2.05.00 19 June 2018
5.0 beta 3 12.0 beta 3 16R5313d Watch3,1 3 July 2018
5.0 beta 4 12.0 beta 4 16R5322d Watch3,1 17 July 2018
5.0 beta 5 12.0 beta 5 16R5334f Watch3,1 2.05.01 30 July 2018
5.0 beta 6 12.0 beta 6 16R5340g Watch3,1 2.06.00 6 August 2018
5.0 beta 7 12.0 beta 7 16R5349a Watch3,1 2.10.00 13 August 2018
5.0 beta 8 12.0 beta 9 16R5357a Watch3,1 20 August 2018
5.0 beta 9 12.0 beta 10 16R5360a Watch3,1 24 August 2018
5.0 beta 10 12.0 beta 12 16R5363a Watch3,1 31 August 2018
5.0 GM 12.0 GM 16R364 Watch3,1 12 September 2018
5.1 beta 12.1 beta 16R5559d Watch3,1 2.06.00 18 September 2018
5.1 beta 2 12.1 beta 2 16R5568d Watch3,1 2.20.00 2 October 2018
5.1 beta 3 12.1 beta 3 16R5577c Watch3,1 2.21.00 9 October 2018
5.1 beta 4 12.1 beta 4 16R5584a Watch3,1 15 October 2018
5.1 beta 5 12.1 beta 5 16R5589c Watch3,1 22 October 2018
5.1.2 beta 12.1.1 beta 2 16S5042a Watch3,1 2.31.00 7 November 2018
5.1.2 beta 2 12.1.1 beta 3 16S5046a Watch3,1 15 November 2018
5.1.3 beta 12.1.2 beta 16S5523a Watch3,1 2.30.01 10 December 2018
5.1.3 beta 2 12.1.3 beta 2 16S5531a Watch3,1 2.31.00 19 December 2018
5.1.3 beta 3 12.1.3 beta 3 16S5535a Watch3,1 7 January 2019
5.2 beta 12.2 beta 16T5181f Watch3,1 2.50.01 24 January 2019
5.2 beta 2 12.2 beta 2 16T5191d Watch3,1 2.50.02 4 February 2019
5.2 beta 3 12.2 beta 3 16T5201c Watch3,1 2.51.01 19 February 2019
5.2 beta 4 12.2 beta 4 16T5212e Watch3,1 2.55.00 4 March 2019
5.2 beta 5 12.2 beta 5 16T5222a Watch3,1 11 March 2019
5.2 beta 6 12.2 beta 6 16T5225a Watch3,1 18 March 2019
5.2.1 beta 12.3 beta 16U5079d Watch3,1 2.53.01 28 March 2019
5.2.1 beta 2 12.3 beta 2 16U5091b Watch3,1 8 April 2019
5.2.1 beta 3 12.3 beta 3 16U5101c Watch3,1 2.55.00 22 April 2019
5.2.1 beta 4 12.3 beta 4 16U5110a Watch3,1 2.55.01 29 April 2019
5.2.1 beta 5 12.3 beta 5 16U5113a Watch3,1 7 May 2019
5.3 beta 12.4 beta 16U5526f Watch3,1 15 May 2019
5.3 beta 2 12.4 beta 3 16U5537b Watch3,1 28 May 2019
5.3 beta 3 12.4 beta 4 16U5545c Watch3,1 2.60.02 11 June 2019
5.3 beta 4 12.4 beta 5 16U5558b Watch3,1 24 June 2019
5.3 beta 5 12.4 beta 6 16U5566a Watch3,1 9 July 2019

Watch3,2

Version Build Keys Baseband Release Date
watchOS iOS
5.0 beta 12.0 beta 16R5283q Watch3,2 2.03.00 4 June 2018
16R5283r Watch3,2 11 June 2018
5.0 beta 2 12.0 beta 2 16R5303d Watch3,2 2.05.00 19 June 2018
5.0 beta 3 12.0 beta 3 16R5313d Watch3,2 3 July 2018
5.0 beta 4 12.0 beta 4 16R5322d Watch3,2 17 July 2018
5.0 beta 5 12.0 beta 5 16R5334f Watch3,2 2.05.01 30 July 2018
5.0 beta 6 12.0 beta 6 16R5340g Watch3,2 2.06.00 6 August 2018
5.0 beta 7 12.0 beta 7 16R5349a Watch3,2 2.10.00 13 August 2018
5.0 beta 8 12.0 beta 9 16R5357a Watch3,2 20 August 2018
5.0 beta 9 12.0 beta 10 16R5360a Watch3,2 24 August 2018
5.0 beta 10 12.0 beta 12 16R5363a Watch3,2 31 August 2018
5.0 GM 12.0 GM 16R364 Watch3,2 12 September 2018
5.1 beta 12.1 beta 16R5559d Watch3,2 2.06.00 18 September 2018
5.1 beta 2 12.1 beta 2 16R5568d Watch3,2 2.20.00 2 October 2018
5.1 beta 3 12.1 beta 3 16R5577c Watch3,2 2.21.00 9 October 2018
5.1 beta 4 12.1 beta 4 16R5584a Watch3,2 15 October 2018
5.1 beta 5 12.1 beta 5 16R5589c Watch3,2 22 October 2018
5.1.2 beta 12.1.1 beta 2 16S5042a Watch3,2 2.31.00 7 November 2018
5.1.2 beta 2 12.1.1 beta 3 16S5046a Watch3,2 15 November 2018
5.1.3 beta 12.1.2 beta 16S5523a Watch3,2 2.30.01 10 December 2018
5.1.3 beta 2 12.1.3 beta 2 16S5531a Watch3,2 2.31.00 19 December 2018
5.1.3 beta 3 12.1.3 beta 3 16S5535a Watch3,2 7 January 2019
5.2 beta 12.2 beta 16T5181f Watch3,2 2.50.01 24 January 2019
5.2 beta 2 12.2 beta 2 16T5191d Watch3,2 2.50.02 4 February 2019
5.2 beta 3 12.2 beta 3 16T5201c Watch3,2 2.51.01 19 February 2019
5.2 beta 4 12.2 beta 4 16T5212e Watch3,2 2.55.00 4 March 2019
5.2 beta 5 12.2 beta 5 16T5222a Watch3,2 11 March 2019
5.2 beta 6 12.2 beta 6 16T5225a Watch3,2 18 March 2019
5.2.1 beta 12.3 beta 16U5079d Watch3,2 2.53.01 28 March 2019
5.2.1 beta 2 12.3 beta 2 16U5091b Watch3,2 8 April 2019
5.2.1 beta 3 12.3 beta 3 16U5101c Watch3,2 2.55.00 22 April 2019
5.2.1 beta 4 12.3 beta 4 16U5110a Watch3,2 2.55.01 29 April 2019
5.2.1 beta 5 12.3 beta 5 16U5113a Watch3,2 7 May 2019
5.3 beta 12.4 beta 16U5526f Watch3,2 15 May 2019
5.3 beta 2 12.4 beta 3 16U5537b Watch3,2 28 May 2019
5.3 beta 3 12.4 beta 4 16U5545c Watch3,2 2.60.02 11 June 2019
5.3 beta 4 12.4 beta 5 16U5558b Watch3,2 24 June 2019
5.3 beta 5 12.4 beta 6 16U5566a Watch3,2 9 July 2019

Watch3,3

Version Build Keys Release Date
watchOS iOS
5.0 beta 12.0 beta 16R5283q Watch3,3 4 June 2018
16R5283r Watch3,3 11 June 2018
5.0 beta 2 12.0 beta 2 16R5303d Watch3,3 19 June 2018
5.0 beta 3 12.0 beta 3 16R5313d Watch3,3 3 July 2018
5.0 beta 4 12.0 beta 4 16R5322d Watch3,3 17 July 2018
5.0 beta 5 12.0 beta 5 16R5334f Watch3,3 30 July 2018
5.0 beta 6 12.0 beta 6 16R5340g Watch3,3 6 August 2018
5.0 beta 7 12.0 beta 7 16R5349a Watch3,3 13 August 2018
5.0 beta 8 12.0 beta 9 16R5357a Watch3,3 20 August 2018
5.0 beta 9 12.0 beta 10 16R5360a Watch3,3 24 August 2018
5.0 beta 10 12.0 beta 12 16R5363a Watch3,3 31 August 2018
5.0 GM 12.0 GM 16R364 Watch3,3 12 September 2018
5.1 beta 12.1 beta 16R5559d Watch3,3 18 September 2018
5.1 beta 2 12.1 beta 2 16R5568d Watch3,3 2 October 2018
5.1 beta 3 12.1 beta 3 16R5577c Watch3,3 9 October 2018
5.1 beta 4 12.1 beta 4 16R5584a Watch3,3 15 October 2018
5.1 beta 5 12.1 beta 5 16R5589c Watch3,3 22 October 2018
5.1.2 beta 12.1.1 beta 2 16S5042a Watch3,3 7 November 2018
5.1.2 beta 2 12.1.1 beta 3 16S5046a Watch3,3 15 November 2018
5.1.3 beta 12.1.2 beta 16S5523a Watch3,3 10 December 2018
5.1.3 beta 2 12.1.3 beta 2 16S5531a Watch3,3 19 December 2018
5.1.3 beta 3 12.1.3 beta 3 16S5535a Watch3,3 7 January 2019
5.2 beta 12.2 beta 16T5181f Watch3,3 24 January 2019
5.2 beta 2 12.2 beta 2 16T5191d Watch3,3 4 February 2019
5.2 beta 3 12.2 beta 3 16T5201c Watch3,3 19 February 2019
5.2 beta 4 12.2 beta 4 16T5212e Watch3,3 4 March 2019
5.2 beta 5 12.2 beta 5 16T5222a Watch3,3 11 March 2019
5.2 beta 6 12.2 beta 6 16T5225a Watch3,3 18 March 2019
5.2.1 beta 12.3 beta 16U5079d Watch3,3 28 March 2019
5.2.1 beta 2 12.3 beta 2 16U5091b Watch3,3 8 April 2019
5.2.1 beta 3 12.3 beta 3 16U5101c Watch3,3 22 April 2019
5.2.1 beta 4 12.3 beta 4 16U5110a Watch3,3 29 April 2019
5.2.1 beta 5 12.3 beta 5 16U5113a Watch3,3 7 May 2019
5.3 beta 12.4 beta 16U5526f Watch3,3 15 May 2019
5.3 beta 2 12.4 beta 3 16U5537b Watch3,3 28 May 2019
5.3 beta 3 12.4 beta 4 16U5545c Watch3,3 11 June 2019
5.3 beta 4 12.4 beta 5 16U5558b Watch3,3 24 June 2019
5.3 beta 5 12.4 beta 6 16U5566a Watch3,3 9 July 2019

Watch3,4

Version Build Keys Release Date
watchOS iOS
5.0 beta 12.0 beta 16R5283q Watch3,4 4 June 2018
16R5283r Watch3,4 11 June 2018
5.0 beta 2 12.0 beta 2 16R5303d Watch3,4 19 June 2018
5.0 beta 3 12.0 beta 3 16R5313d Watch3,4 3 July 2018
5.0 beta 4 12.0 beta 4 16R5322d Watch3,4 17 July 2018
5.0 beta 5 12.0 beta 5 16R5334f Watch3,4 30 July 2018
5.0 beta 6 12.0 beta 6 16R5340g Watch3,4 6 August 2018
5.0 beta 7 12.0 beta 7 16R5349a Watch3,4 13 August 2018
5.0 beta 8 12.0 beta 9 16R5357a Watch3,4 20 August 2018
5.0 beta 9 12.0 beta 10 16R5360a Watch3,4 24 August 2018
5.0 beta 10 12.0 beta 12 16R5363a Watch3,4 31 August 2018
5.0 GM 12.0 GM 16R364 Watch3,4 12 September 2018
5.1 beta 12.1 beta 16R5559d Watch3,4 18 September 2018
5.1 beta 2 12.1 beta 2 16R5568d Watch3,4 2 October 2018
5.1 beta 3 12.1 beta 3 16R5577c Watch3,4 9 October 2018
5.1 beta 4 12.1 beta 4 16R5584a Watch3,4 15 October 2018
5.1 beta 5 12.1 beta 5 16R5589c Watch3,4 22 October 2018
5.1.2 beta 12.1.1 beta 2 16S5042a Watch3,4 7 November 2018
5.1.2 beta 2 12.1.1 beta 3 16S5046a Watch3,4 15 November 2018
5.1.3 beta 12.1.2 beta 16S5523a Watch3,4 10 December 2018
5.1.3 beta 2 12.1.3 beta 2 16S5531a Watch3,4 19 December 2018
5.1.3 beta 3 12.1.3 beta 3 16S5535a Watch3,4 7 January 2019
5.2 beta 12.2 beta 16T5181f Watch3,4 24 January 2019
5.2 beta 2 12.2 beta 2 16T5191d Watch3,4 4 February 2019
5.2 beta 3 12.2 beta 3 16T5201c Watch3,4 19 February 2019
5.2 beta 4 12.2 beta 4 16T5212e Watch3,4 4 March 2019
5.2 beta 5 12.2 beta 5 16T5222a Watch3,4 11 March 2019
5.2 beta 6 12.2 beta 6 16T5225a Watch3,4 18 March 2019
5.2.1 beta 12.3 beta 16U5079d Watch3,4 28 March 2019
5.2.1 beta 2 12.3 beta 2 16U5091b Watch3,4 8 April 2019
5.2.1 beta 3 12.3 beta 3 16U5101c Watch3,4 22 April 2019
5.2.1 beta 4 12.3 beta 4 16U5110a Watch3,4 29 April 2019
5.2.1 beta 5 12.3 beta 5 16U5113a Watch3,4 7 May 2019
5.3 beta 12.4 beta 16U5526f Watch3,4 15 May 2019
5.3 beta 2 12.4 beta 3 16U5537b Watch3,4 28 May 2019
5.3 beta 3 12.4 beta 4 16U5545c Watch3,4 11 June 2019
5.3 beta 4 12.4 beta 5 16U5558b Watch3,4 24 June 2019
5.3 beta 5 12.4 beta 6 16U5566a Watch3,4 9 July 2019

Apple Watch Series 4

Watch4,1

Version Build Keys Release Date
watchOS iOS
5.1 beta 12.1 beta 16R5559d Watch4,1 18 September 2018
5.1 beta 2 12.1 beta 2 16R5568d Watch4,1 2 October 2018
5.1 beta 3 12.1 beta 3 16R5577c Watch4,1 9 October 2018
5.1 beta 4 12.1 beta 4 16R5584a Watch4,1 15 October 2018
5.1 beta 5 12.1 beta 5 16R5589c Watch4,1 22 October 2018
5.1.2 beta 12.1.1 beta 2 16S5042a Watch4,1 7 November 2018
5.1.2 beta 2 12.1.1 beta 3 16S5046a Watch4,1 15 November 2018
5.1.3 beta 12.1.2 beta 16S5523a Watch4,1 10 December 2018
5.1.3 beta 2 12.1.3 beta 2 16S5531a Watch4,1 19 December 2018
5.1.3 beta 3 12.1.3 beta 3 16S5535a Watch4,1 7 January 2019
5.2 beta 12.2 beta 16T5181f Watch4,1 24 January 2019
5.2 beta 2 12.2 beta 2 16T5191d Watch4,1 4 February 2019
5.2 beta 3 12.2 beta 3 16T5201c Watch4,1 19 February 2019
5.2 beta 4 12.2 beta 4 16T5212e Watch4,1 4 March 2019
5.2 beta 5 12.2 beta 5 16T5222a Watch4,1 11 March 2019
5.2 beta 6 12.2 beta 6 16T5225a Watch4,1 18 March 2019
5.2.1 beta 12.3 beta 16U5079d Watch4,1 28 March 2019
5.2.1 beta 2 12.3 beta 2 16U5091b Watch4,1 8 April 2019
5.2.1 beta 3 12.3 beta 3 16U5101c Watch4,1 22 April 2019
5.2.1 beta 4 12.3 beta 4 16U5110a Watch4,1 29 April 2019
5.2.1 beta 5 12.3 beta 5 16U5113a Watch4,1 7 May 2019
5.3 beta 12.4 beta 16U5526f Watch4,1 15 May 2019
5.3 beta 2 12.4 beta 3 16U5537b Watch4,1 28 May 2019
5.3 beta 3 12.4 beta 4 16U5545c Watch4,1 11 June 2019
5.3 beta 4 12.4 beta 5 16U5558b Watch4,1 24 June 2019
5.3 beta 5 12.4 beta 6 16U5566a Watch4,1 9 July 2019

Watch4,2

Version Build Keys Release Date
watchOS iOS
5.1 beta 12.1 beta 16R5559d Watch4,2 18 September 2018
5.1 beta 2 12.1 beta 2 16R5568d Watch4,2 2 October 2018
5.1 beta 3 12.1 beta 3 16R5577c Watch4,2 9 October 2018
5.1 beta 4 12.1 beta 4 16R5584a Watch4,2 15 October 2018
5.1 beta 5 12.1 beta 5 16R5589c Watch4,2 22 October 2018
5.1.2 beta 12.1.1 beta 2 16S5042a Watch4,2 7 November 2018
5.1.2 beta 2 12.1.1 beta 3 16S5046a Watch4,2 15 November 2018
5.1.3 beta 12.1.2 beta 16S5523a Watch4,2 10 December 2018
5.1.3 beta 2 12.1.3 beta 2 16S5531a Watch4,2 19 December 2018
5.1.3 beta 3 12.1.3 beta 3 16S5535a Watch4,2 7 January 2019
5.2 beta 12.2 beta 16T5181f Watch4,2 24 January 2019
5.2 beta 2 12.2 beta 2 16T5191d Watch4,2 4 February 2019
5.2 beta 3 12.2 beta 3 16T5201c Watch4,2 19 February 2019
5.2 beta 4 12.2 beta 4 16T5212e Watch4,2 4 March 2019
5.2 beta 5 12.2 beta 5 16T5222a Watch4,2 11 March 2019
5.2 beta 6 12.2 beta 6 16T5225a Watch4,2 18 March 2019
5.2.1 beta 12.3 beta 16U5079d Watch4,2 28 March 2019
5.2.1 beta 2 12.3 beta 2 16U5091b Watch4,2 8 April 2019
5.2.1 beta 3 12.3 beta 3 16U5101c Watch4,2 22 April 2019
5.2.1 beta 4 12.3 beta 4 16U5110a Watch4,2 29 April 2019
5.2.1 beta 5 12.3 beta 5 16U5113a Watch4,2 7 May 2019
5.3 beta 12.4 beta 16U5526f Watch4,2 15 May 2019
5.3 beta 2 12.4 beta 3 16U5537b Watch4,2 28 May 2019
5.3 beta 3 12.4 beta 4 16U5545c Watch4,2 11 June 2019
5.3 beta 4 12.4 beta 5 16U5558b Watch4,2 24 June 2019
5.3 beta 5 12.4 beta 6 16U5566a Watch4,2 9 July 2019

Watch4,3

Version Build Keys Baseband Release Date
watchOS iOS
5.1 beta 12.1 beta 16R5559d Watch4,3 1.01.02 18 September 2018
5.1 beta 2 12.1 beta 2 16R5568d Watch4,3 1.01.03 2 October 2018
5.1 beta 3 12.1 beta 3 16R5577c Watch4,3 1.01.04 9 October 2018
5.1 beta 4 12.1 beta 4 16R5584a Watch4,3 15 October 2018
5.1 beta 5 12.1 beta 5 16R5589c Watch4,3 22 October 2018
5.1.2 beta 12.1.1 beta 2 16S5042a Watch4,3 1.02.02 7 November 2018
5.1.2 beta 2 12.1.1 beta 3 16S5046a Watch4,3 15 November 2018
5.1.3 beta 12.1.2 beta 16S5523a Watch4,3 1.03.00 10 December 2018
5.1.3 beta 2 12.1.3 beta 2 16S5531a Watch4,3 1.03.01 19 December 2018
5.1.3 beta 3 12.1.3 beta 3 16S5535a Watch4,3 7 January 2019
5.2 beta 12.2 beta 16T5181f Watch4,3 1.04.01 24 January 2019
5.2 beta 2 12.2 beta 2 16T5191d Watch4,3 4 February 2019
5.2 beta 3 12.2 beta 3 16T5201c Watch4,3 1.04.02 19 February 2019
5.2 beta 4 12.2 beta 4 16T5212e Watch4,3 1.04.05 4 March 2019
5.2 beta 5 12.2 beta 5 16T5222a Watch4,3 11 March 2019
5.2 beta 6 12.2 beta 6 16T5225a Watch4,3 18 March 2019
5.2.1 beta 12.3 beta 16U5079d Watch4,3 1.04.03 28 March 2019
5.2.1 beta 2 12.3 beta 2 16U5091b Watch4,3 8 April 2019
5.2.1 beta 3 12.3 beta 3 16U5101c Watch4,3 1.04.05 22 April 2019
5.2.1 beta 4 12.3 beta 4 16U5110a Watch4,3 29 April 2019
5.2.1 beta 5 12.3 beta 5 16U5113a Watch4,3 7 May 2019
5.3 beta 12.4 beta 16U5526f Watch4,3 15 May 2019
5.3 beta 2 12.4 beta 3 16U5537b Watch4,3 28 May 2019
5.3 beta 3 12.4 beta 4 16U5545c Watch4,3 11 June 2019
5.3 beta 4 12.4 beta 5 16U5558b Watch4,3 24 June 2019
5.3 beta 5 12.4 beta 6 16U5566a Watch4,3 9 July 2019

Watch4,4

Version Build Keys Baseband Release Date
watchOS iOS
5.1 beta 12.1 beta 16R5559d Watch4,4 1.01.02 18 September 2018
5.1 beta 2 12.1 beta 2 16R5568d Watch4,4 1.01.03 2 October 2018
5.1 beta 3 12.1 beta 3 16R5577c Watch4,4 1.01.04 9 October 2018
5.1 beta 4 12.1 beta 4 16R5584a Watch4,4 15 October 2018
5.1 beta 5 12.1 beta 5 16R5589c Watch4,4 22 October 2018
5.1.2 beta 12.1.1 beta 2 16S5042a Watch4,4 1.02.02 7 November 2018
5.1.2 beta 2 12.1.1 beta 3 16S5046a Watch4,4 15 November 2018
5.1.3 beta 12.1.2 beta 16S5523a Watch4,4 1.03.00 10 December 2018
5.1.3 beta 2 12.1.3 beta 2 16S5531a Watch4,4 1.03.01 19 December 2018
5.1.3 beta 3 12.1.3 beta 3 16S5535a Watch4,4 7 January 2019
5.2 beta 12.2 beta 16T5181f Watch4,4 1.04.01 24 January 2019
5.2 beta 2 12.2 beta 2 16T5191d Watch4,4 4 February 2019
5.2 beta 3 12.2 beta 3 16T5201c Watch4,4 1.04.02 19 February 2019
5.2 beta 4 12.2 beta 4 16T5212e Watch4,4 1.04.05 4 March 2019
5.2 beta 5 12.2 beta 5 16T5222a Watch4,4 11 March 2019
5.2 beta 6 12.2 beta 6 16T5225a Watch4,4 18 March 2019
5.2.1 beta 12.3 beta 16U5079d Watch4,4 1.04.03 28 March 2019
5.2.1 beta 2 12.3 beta 2 16U5091b Watch4,4 8 April 2019
5.2.1 beta 3 12.3 beta 3 16U5101c Watch4,4 1.04.05 22 April 2019
5.2.1 beta 4 12.3 beta 4 16U5110a Watch4,4 29 April 2019
5.2.1 beta 5 12.3 beta 5 16U5113a Watch4,4 7 May 2019
5.3 beta 12.4 beta 16U5526f Watch4,4 15 May 2019
5.3 beta 2 12.4 beta 3 16U5537b Watch4,4 28 May 2019
5.3 beta 3 12.4 beta 4 16U5545c Watch4,4 11 June 2019
5.3 beta 4 12.4 beta 5 16U5558b Watch4,4 24 June 2019
5.3 beta 5 12.4 beta 6 16U5566a Watch4,4 9 July 2019