Download iOS 11.2 (15C114) 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 11.2
Release Date 2017-12-02
Update Date 2017-11-30
Sha1sum
bed951f49c21ea200c32d6ca3cdcf7e307ae07fc
Sha256sum
17dc0514efecc3b252a1ab5bdd9dc879e30fcd77204eb612ccba891828362637
md5sum
3e303067d7d1daf4816cddec0bc110b4
Size 2.61 GB
FileName
iPhone_5.5_11.2_15C114_Restore.ipsw
Status

Download IPSW (2.61GB) Check device info
Release Notes

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

iOS 11.2 introduces Apple Pay Cash to send, request, and receive money from friends and family with Apple Pay. This update also includes bug fixes and improvements.

Apple Pay Cash (US Only)

Other improvements and fixes

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

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