Download iOS 9.1 (13B143) for iPhone 6+

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 iPhone7,1
iOS Version 9.1
Release Date 2015-10-21
Update Date 2015-10-16
Sha1sum
2a10411395e0df54139ae4c54f2ca066d11bccfe
Sha256sum
37a97d908f64b3e0a5943045e398ffa4d2f63c111193c49df409575cd2dbe9b9
md5sum
98ba02e258e0bb1298214f8b99ffd87f
Size 2.05 GB
FileName
iPhone7,1_9.1_13B143_Restore.ipsw
Status

Download IPSW (2.05GB) 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