IPSW Portal

Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 9.1 (13B5136) for iPhone 4s

Version:	9.1
Build:	13B5136
Signed:	No
Size:	1.09 GB
Release Date:	2015-10-10 10:15:57
Upload Date:	2015-10-04 17:39:26
Release Type:	Beta

Secure download directly from Apple's servers