Firmware/Apple Watch/2.x

Apple Watch (1st generation)

Watch1,1

Version	Build	Keys	Release Date	Download URL	SHA1 Hash	File Size	Release Notes
2.0	13S344	Watch1,1	21 September 2015 (2015-09-21)	?	?	?	Release Notes Security Notes
2.0.1	13S428	Watch1,1	21 October 2015 (2015-10-21)	?	?	?	Release Notes Security Notes
2.1	13S661	Watch1,1	8 December 2015 (2015-12-08)	watch1,1_2.1_13s661_restore.ipsw	e02ab4ace8051ee12996e5547c397be30666d594	924,502,956	Release Notes Security Notes
2.2	13V144	Watch1,1	21 March 2016 (2016-03-21)	?	?	?	Release Notes Security Notes
2.2.1	13V420	Watch1,1	16 May 2016 (2016-05-16)	?	?	?	Release Notes Security Notes
2.2.2	13V604	Watch1,1	18 July 2016 (2016-07-18)	?	?	?	Release Notes Security Notes

Watch1,2

Version	Build	Keys	Release Date	Download URL	SHA1 Hash	File Size	Release Notes
2.0	13S344	Watch1,2	21 September 2015 (2015-09-21)	?	?	?	Release Notes Security Notes
2.0.1	13S428	Watch1,2	21 October 2015 (2015-10-21)	?	?	?	Release Notes Security Notes
2.1	13S661	Watch1,2	8 December 2015 (2015-12-08)	watch1,2_2.1_13s661_restore.ipsw	44b29ebb1552c930c9fc8921a86e29f9bb9fe00f	926,842,087	Release Notes Security Notes
2.2	13V144	Watch1,2	21 March 2016 (2016-03-21)	?	?	?	Release Notes Security Notes
2.2.1	13V420	Watch1,2	16 May 2016 (2016-05-16)	?	?	?	Release Notes Security Notes
2.2.2	13V604	Watch1,2	18 July 2016 (2016-07-18)	?	?	?	Release Notes Security Notes