IPSW Portal

Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 9.9.11.2 (15C5111a) for iPhone 6s+

Version:	9.9.11.2
Build:	15C5111a
Signed:	No
Size:	1.9 GB
Release Date:	2017-11-28 18:00:35
Upload Date:	2017-11-27 03:17:24

Secure download directly from Apple's servers