Download iOS 17.4 (21E219) for iPhone 12

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 iPhone13,2
iOS Version 17.4
Release Date 2024-03-05
Update Date 2024-02-28
Sha1sum
4a513cc8f0c106059ed4d55edd032b66342b75cc
Sha256sum
5505a853295f7ec87104026144c12e419451c84fb3f34afe3831f43fd2076ade
md5sum
8de5b2c755b0f4718a2f44b4e042e409
Size 7.35 GB
FileName
iPhone13,2,iPhone13,3_17.4_21E219_Restore.ipsw
Status

Download IPSW (7.35GB) 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