Download iOS 16.5 (20F66) for iPhone 13 Pro Max

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 iPhone14,3
iOS Version 16.5
Release Date 2023-05-18
Update Date 2023-05-13
Sha1sum
55f432086663c54ebefa13e64d8520cc1a1a82d7
Sha256sum
a40c91718cc894ba638b3793a8c75043e3e7be77d9e9f0ff3dbe89791b8dd5d8
md5sum
d66108e6e91f9b0c4f7c4ca8cf0036fe
Size 6.38 GB
FileName
iPhone14,3_16.5_20F66_Restore.ipsw
Status

Download IPSW (6.38GB) 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