Download iOS 17.4.1 (21E237) for iPhone 15

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 iPhone15,4
iOS Version 17.4.1
Release Date 2024-03-27
Update Date 2024-03-24
Sha1sum
294b459fa7008fdd2c49df4b1619419bd53beb3c
Sha256sum
a3ba3126c42427685306e5edcc7621947ca27e6b995f2bda04748efe5d858470
md5sum
d6dccef8a454ac75ea58fa33567ed7d2
Size 7.48 GB
FileName
iPhone15,4_17.4.1_21E237_Restore.ipsw
Status

Download IPSW (7.48GB) Check device info
Release Notes

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

This update provides important bug fixes and security updates and is recommended for all users.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222