Download iOS 16.4 (20E247) 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 16.4
Release Date 2023-03-27
Update Date 2023-03-23
Sha1sum
a70f46141f9b8653954faf9cc040f8e1c199d892
Sha256sum
74a606f30149b778d58f44eaef6afc81f021c58fe4d78a47b30ae0e580fb728e
md5sum
f715a4cebba7b6a88ee00f0957615705
Size 6.36 GB
FileName
iPhone14,3_16.4_20E247_Restore.ipsw
Status

Download IPSW (6.36GB) 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