IPSW Portal

Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 9.9.11.2.5 (15D5054a) for iPhone X (Global)

Version:	9.9.11.2.5
Build:	15D5054a
Signed:	No
Size:	2.06 GB
Release Date:	2018-01-09 18:02:53
Upload Date:	2018-01-05 21:27:09

Secure download directly from Apple's servers