Download iOS 16.0.3 (20A392) 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 16.0.3
Release Date 2022-10-11
Update Date 2022-10-05
Sha1sum
f67201461f7f3f8078f3779aa67d55040417aa02
Sha256sum
30322d8d23eba97c18fcc4e3432320ae48f74f8a4bab6614f77bc6b3aae54d1d
md5sum
784100d923683bc905248bd715d9e877
Size 5.74 GB
FileName
iPhone12,3,iPhone12,5_16.0.3_20A392_Restore.ipsw
Status

Download IPSW (5.74GB) 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