Download iOS 12.4.4 (16G140) 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 12.4.4
Release Date 2019-12-10
Update Date 2019-11-21
Sha1sum
0e9470dc72cb390589a364f65e9f8af2ad38d891
Sha256sum
fb7f9e914be2c0bd2a4c6cf51ecf4424503c58121bf1226a5716f7cad950a536
md5sum
7910e3343e3f8c344392f1a2a9ae874b
Size 2.98 GB
FileName
iPhone_5.5_12.4.4_16G140_Restore.ipsw
Status

Download IPSW (2.98GB) Check device info
Release Notes

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

iOS 12.4.4 provides important security updates and is recommended for all users.

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

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