Download iOS 15.6 (19G71) 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 15.6
Release Date 2022-07-20
Update Date 2022-07-14
Sha1sum
cf6b5030fa0188326fe22cb1ce77d4604026d371
Sha256sum
4d60b9b30c85cba98c45668c4f374df9890399f4b53d201437d7b8ca81b9501a
md5sum
12dec9304dcadc7deb3d6218e01acd17
Size 6.12 GB
FileName
iPhone14,3_15.6_19G71_Restore.ipsw
Status

Download IPSW (6.12GB) Check device info
Release Notes

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

iOS 15.6 includes enhancements, bug fixes and security updates.

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