Download iOS 17.4 (21E219) for iPhone 14 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 iPhone15,3
iOS Version 17.4
Release Date 2024-03-05
Update Date 2024-02-28
Sha1sum
19bf9b0084e64041e39504e93bbc286c9aefa879
Sha256sum
19640fecd4ea742a2471e57f020f1be1967a635a8634bcc5f383c5147084e401
md5sum
1278cf052e97a49a291b8c0a21f7f7dd
Size 7.42 GB
FileName
iPhone15,3_17.4_21E219_Restore.ipsw
Status

Download IPSW (7.42GB) 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