Download iOS 17.4 (21E219) for iPhone 12 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 iPhone13,4
iOS Version 17.4
Release Date 2024-03-05
Update Date 2024-02-28
Sha1sum
c8d1de024f018dca3c551ee7d412dd32f85f5d93
Sha256sum
f261560b824c5d08aecc836868ab7e5f95e478cd1653cde1232fcac85b4fec99
md5sum
3cad90bdeed8345c78582f1683421b49
Size 7.31 GB
FileName
iPhone13,4_17.4_21E219_Restore.ipsw
Status

Download IPSW (7.31GB) 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