Download iOS 16.3 (20D47) 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 16.3
Release Date 2023-01-23
Update Date 2023-01-14
Sha1sum
1bdda087dbe113c7371b44131dea6e1f4b0f48e4
Sha256sum
5235469431267663d7031d8c5c180a9e012703b3c45e7384a3c2935f11b300b7
md5sum
d4726ff0ffd256941dfba7e9b605469b
Size 6.14 GB
FileName
iPhone14,3_16.3_20D47_Restore.ipsw
Status

Download IPSW (6.14GB) 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