Download iOS 26.4.1 (23E254) for iPhone 17

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 iPhone18,3
iOS Version 26.4.1
Release Date 2026-04-08
Update Date 2026-04-06
Sha1sum
7fb287f2173abb94f06a117d8cdbedba5a47dffc
Sha256sum
fcf54ea0f192cef923f2c0419e973e3829c03d1c30fbf44159e0928c9f5cbcfe
md5sum
f5daf333860bc37b951877d720e050c8
Size 10.50 GB
FileName
iPhone18,3_26.4.1_23E254_Restore.ipsw
Status

Download IPSW (10.50GB) Check device info
Release Notes

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

Apple Music

Accessibility

This update also includes the following enhancements:

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

https://support.apple.com/100100

Some features may not be available in all regions or on all iPhone models. To learn more, please visit:

https://www.apple.com/ios/feature-availability/

Software updates, like this one, add new features and improvements that may affect performance and/or battery life. To learn more, please visit:

https://support.apple.com/125039

IPSW File Download FAQ