Download iOS 9.1 (13B143) for iPhone 5 (GSM)

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier iPhone5,1
iOS Version 9.1
Release Date 2015-10-21
Update Date 2015-10-16
Sha1sum
a0bfe6d5daa41c0f8253eb3fdf29c8f7de30e805
Sha256sum
2604526ea34256f2d56a3bf5ebb6946591fbaa830e916b72da42a61fd916fcf3
md5sum
7ceba6dc63aab547acc4db3f787ea2f2
Size 1.55 GB
FileName
iPhone5,1_9.1_13B143_Restore.ipsw
Status

Download IPSW (1.55GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

This release includes new features, improvements and bug fixes, including:

For information on the security content of this update, please visit this website:

http://support.apple.com/kb/HT1222