Download iOS 15.4 (19E241) 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 15.4
Release Date 2022-03-14
Update Date 2022-03-01
Sha1sum
e84ca8f30c48a9c3a3f2562f234f274fe3bbdcf8
Sha256sum
6378a474bbd7b3daa5951046c6ce2a96da4f5ee0cc41af726cb3f4cf990b8c73
md5sum
e69e998b4b6c92885ad6cc110374551b
Size 6.21 GB
FileName
iPhone13,2,iPhone13,3_15.4_19E241_Restore.ipsw
Status

Download IPSW (6.21GB) Check device info
Release Notes

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

Face ID

Emoji

FaceTime

Siri

Vaccine cards

This release also includes the following enhancements for your iPhone:

This release also includes bug fixes for your iPhone:

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