Download iOS 11.1 (15B93) for iPhone 6s

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 iPhone8,1
iOS Version 11.1
Release Date 2017-10-31
Update Date 2017-10-20
Sha1sum
dbfe6a90183ecf182b672e394f086c7591dd6699
Sha256sum
61cfeb841e0cd70a47e04f932a3e8fae94f7653b9fc1e94d58dcff0fc7ae3fd8
md5sum
5eb37a2a14b11d3da58660ca05fce4b9
Size 2.53 GB
FileName
iPhone_4.7_11.1_15B93_Restore.ipsw
Status

Download IPSW (2.53GB) Check device info
Release Notes

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

iOS 11.1 introduces over 70 new emoji and includes bug fixes and improvements.

Emoji

Photos

Accessibility

Other improvements and fixes

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222