Download iOS 18.4 (22E240) for iPhone 15 Pro

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 iPhone16,1
iOS Version 18.4
Release Date 2025-03-31
Update Date 2025-03-26
Sha1sum
ed6f4d436e05ecfd1fe0621bacecbf0f26632f7b
Sha256sum
247cbe22c5a8383fa10a01fb26d6a3c0fc562744aa125900c3c3048d7ede4b68
md5sum
50725e92f89c1a7dccd79f95cb6c4f68
Size 9.05 GB
FileName
iPhone16,1_18.4_22E240_Restore.ipsw
Status

Download IPSW (9.05GB) Check device info
Release Notes

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

Apple Intelligence (All iPhone 16 models, iPhone 15 Pro, iPhone 15 Pro Max)

Apple Vision Pro App

Apple News+

Photos

This update also 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:

https://support.apple.com/100100

IPSW File Download FAQ