Download iOS 16.5 (20F66) for iPhone 12

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 iPhone13,2
iOS Version 16.5
Release Date 2023-05-18
Update Date 2023-05-13
Sha1sum
09112b6e85c24bfa094bfc3ca99a8d93356d0e2e
Sha256sum
3bc7acfbcddc8655e8933ce090b5a24ae13106d54ef1c10547f182905269d385
md5sum
83fdc41eeee842a62760c173bf54bd7d
Size 6.37 GB
FileName
iPhone13,2,iPhone13,3_16.5_20F66_Restore.ipsw
Status

Download IPSW (6.37GB) Check device info
Release Notes

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

This update includes the following enhancements and bug fixes:

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website:

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