IPSW Portal

Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 4.2 (15S5100a) for Apple Watch (38mm)

Version:	4.2
Build:	15S5100a
Signed:	No
Size:	0.05 GB
Release Date:	2017-11-13 18:03:08
Upload Date:	2017-11-10 20:52:08

Secure download directly from Apple's servers