IPSW Portal

Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 9.9.11.1 (15B92) for iPhone 8 (Global)

Version:	9.9.11.1
Build:	15B92
Signed:	No
Size:	1.84 GB
Release Date:	2017-10-20 17:05:29
Upload Date:	2017-10-19 18:43:31

Secure download directly from Apple's servers