Download iOS 12.4.9 (16H5) 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 12.4.9
Release Date 2020-11-05
Update Date 2020-10-30
Sha1sum
efe4e4471554c47a6d07c369b0c9464666970349
Sha256sum
e6bdb0fb5a1d8f4da44037b59adea69e4690a59f58fbb3f759ac11450efee74e
md5sum
8c8491f3b9516d33318ea1aac12ba27c
Size 2.82 GB
FileName
iPhone_4.7_12.4.9_16H5_Restore.ipsw
Status

Download IPSW (2.82GB) Check device info
Release Notes

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

This update 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