Download iOS 17.7 (21H16) 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 Signed

Firmware Identifier iPhone14,3
iOS Version 17.7
Release Date 2024-09-16
Update Date 2024-09-06
Sha1sum
73140792b6cf7bfee8bcba10ea8139864c67ee2c
Sha256sum
9c6c3a56d89796e9d98b996babc475066193dd5b9982ef0e10763de1509d95dd
md5sum
f27b4d5745f9e5ebef1bd0bf45a004b6
Size 7.47 GB
FileName
iPhone14,3_17.7_21H16_Restore.ipsw
Status

Download IPSW (7.47GB) Check device info
Release Notes

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

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Apple Podcasts

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/100100

IPSW File Download FAQ