IPSW Portal

Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 5.1.1 (9B206) for iPhone 4s

Version:	5.1.1
Build:	9B206
Signed:	No
Size:	0.78 GB
Upload Date:	2012-04-27 21:43:01
SHA1:	ac99928cc52fcb24502959ace3c36a63ba75ab6c
MD5:	50d2ef6d24b99525786aea25bb1f69cf
SHA256:	b6870acf127a58e2775f93b9314cc678ac39caed7f0cbd13699f5f3a09c6f277

Secure download directly from Apple's servers