Download iOS 17.4 (21E219) for iPhone 15 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 iPhone16,2
iOS Version 17.4
Release Date 2024-03-05
Update Date 2024-02-28
Sha1sum
8f913c6c13154e6ad0c928bb2d92bfe974aa813d
Sha256sum
bdd8a9dba2cb1adc5efb4cbe2e5138a998d7429b55ec0b1a57978db53c65e530
md5sum
74503564d55748a61a9f868b247e566e
Size 7.66 GB
FileName
iPhone16,2_17.4_21E219_Restore.ipsw
Status

Download IPSW (7.66GB) 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/kb/HT201222