Download iOS 18.4.1 (22E252) 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 Signed

Firmware Identifier iPhone15,4
iOS Version 18.4.1
Release Date 2025-04-16
Update Date 2025-04-10
Sha1sum
f2dd5b5fc6f0ff869417beb3fbeb547e94979649
Sha256sum
33662a717ac595c9bb6404e8f85d82c03e02313669a73ef5e9ba004c37620b3e
md5sum
e7b58494fb7913d05ecf4461faee46d2
Size 8.62 GB
FileName
iPhone15,4_18.4.1_22E252_Restore.ipsw
Status

Download IPSW (8.62GB) 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, security updates, and addresses a rare issue that prevents wireless CarPlay connection in certain vehicles.

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

https://support.apple.com/100100