Download iOS 16.4 (20E247) for iPhone 11 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 iPhone12,5
iOS Version 16.4
Release Date 2023-03-27
Update Date 2024-06-03
Sha1sum
3300ee81208c2ab21ae1edc99e6fc6b265bae3fb
Sha256sum
577dbd382707dfc64bc6b3417004045d5c1746ea844a53068ef1c724ac5ebd53
md5sum
1dd73796e1c260edf5d1a5ea05ab475d
Size 6.07 GB
FileName
iPhone12,3,iPhone12,5_16.4_20E247_Restore.ipsw
Status

Download IPSW (6.07GB) 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