IPSW Portal

Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 3.1.3 (14S959) for Apple Watch (42mm)

Version:	3.1.3
Build:	14S959
Signed:	No
Size:	0.01 GB
Release Date:	2017-01-09 17:56:30
Upload Date:	2017-01-05 18:20:57

Secure download directly from Apple's servers