Download iOS 16.4 (20E247) for iPhone 14 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 iPhone15,3
iOS Version 16.4
Release Date 2023-03-27
Update Date 2023-03-23
Sha1sum
478a2b56ecc5fd628f2edeff4ebfa867ced92c74
Sha256sum
86f3a50423d39329a51933519de7853ec4631e8be6a450b5d35246648d8ef4b5
md5sum
b05e16a5819b148f16a7ea36ee5dd899
Size 6.40 GB
FileName
iPhone15,3_16.4_20E247_Restore.ipsw
Status

Download IPSW (6.40GB) 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