Download iOS 16.6.1 (20G81) for iPhone 11 Pro

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 iPhone12,3
iOS Version 16.6.1
Release Date 2023-09-07
Update Date 2023-09-02
Sha1sum
7c92f7c2d3f289f4cb4766ac1cf1fac9a06462f8
Sha256sum
57178e3adb73b8218db0e24bc1d2664bf7711f3b4e2e36f9e473824d17c59a78
md5sum
38da31cf3bab6366ce1783c5d871205c
Size 6.09 GB
FileName
iPhone12,3,iPhone12,5_16.6.1_20G81_Restore.ipsw
Status

Download IPSW (6.09GB) 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 fixes 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