Download iOS 8.1.1 (12B436) 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 iPhone7,2
iOS Version 8.1.1
Release Date 2014-11-17
Update Date 2014-11-11
Sha1sum
4e340b9f1f2b68fc0cc1488e3cd51828b8c38665
Sha256sum
b11539d70b40fa5e131c806b2d6e57284770e70763218414ca83fda818420053
md5sum
7f648b0146ab765a9d61fb9bb7f95f85
Size 1.75 GB
FileName
iPhone7,2_8.1.1_12B436_Restore.ipsw
Status

Download IPSW (1.75GB) Check device info
Release Notes

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

This release includes bug fixes, increased stability and performance improvements for iPad 2 and iPhone 4s.

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

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