IPSW Portal

Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 5.1.3 (16S5535a) for Apple Watch Series 2 (38mm)

Version:	5.1.3
Build:	16S5535a
Signed:	No
Size:	0.72 GB
Release Date:	2019-01-07 18:16:13
Upload Date:	2019-01-04 18:02:01

Secure download directly from Apple's servers