IPSW Portal

Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 4.2.2 (15S5536a) for Apple Watch Series 1 (38mm)

Version:	4.2.2
Build:	15S5536a
Signed:	No
Size:	0.04 GB
Release Date:	2018-01-03 18:22:21
Upload Date:	2017-12-21 03:30:38

Secure download directly from Apple's servers