Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 11.1 (15B93) for iPhone 8 (Global)

Version:	11.1
Build:	15B93
Signed:	No
Size:	2.52 GB
Release Date:	2017-10-31 17:44:40
Upload Date:	2017-10-20 22:15:59
SHA1:	e94a7a0b7d75ec58eebe901b81917298afe045fc
MD5:	5caebb46f3ce9864de8e3c2fb6fb0e39
SHA256:	8b9eb4ce312aa8203082c68048be0dfc347b1f93ae22a80cb5bb89c55daf20b4

Secure download directly from Apple's servers

IPSW Portal