Download iOS 16.0.3 (20A392) 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 16.0.3
Release Date 2022-10-11
Update Date 2022-10-05
Sha1sum
1e66846ce6063b0a79c22c155919e78e9b0f680d
Sha256sum
fcb609f0cd854284cf8194011641c9afa663bd9fb189e8f06fd052cb41138476
md5sum
57647d9e2df97c5f0bd01ebab6538b09
Size 6.01 GB
FileName
iPhone14,3_16.0.3_20A392_Restore.ipsw
Status

Download IPSW (6.01GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

This update provides bug fixes and important security updates for your iPhone including the following:

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222