Download iOS 12.5.4 (16H50) 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 12.5.4
Release Date 2021-06-14
Update Date 2024-06-03
Sha1sum
1a11cfcabe14653a5df3077992c017f77d412c63
Sha256sum
1b8771c1a32e6a5527e1749f1d43e019e025baa677efe79b532caa3b8d66fa59
md5sum
1bd096af4a998a139e94f2896802951d
Size 2.97 GB
FileName
iPhone_5.5_12.5.4_16H50_Restore.ipsw
Status

Download IPSW (2.97GB) 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