Download iOS 18.4 (22E240) for iPhone 16 Plus

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 iPhone17,4
iOS Version 18.4
Release Date 2025-03-31
Update Date 2025-03-26
Sha1sum
af635d979070306d17853ecd7bb58a3994917041
Sha256sum
5829d53c128e38386faa5e1aa39721508b18c9e8a16910ed2a8bfa5f9fc1bac3
md5sum
41a5d05e93ef0dc61ebcea5dfee4da8f
Size 9.10 GB
FileName
iPhone17,4_18.4_22E240_Restore.ipsw
Status

Download IPSW (9.10GB) 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