Download iOS 26.4.1 (23E254) for iPhone 15 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 iPhone15,5
iOS Version 26.4.1
Release Date 2026-04-08
Update Date 2026-04-06
Sha1sum
ca66a7c95ba344c28001b5282c0b1c976d3fab34
Sha256sum
6f556b7552727ecfc8ef1f1e5f21d7d4cdfd0bf35ddf1c62d62d5f77ecb03cda
md5sum
2484c3ab766e3f0f5ba237012dfd283f
Size 9.64 GB
FileName
iPhone15,5_26.4.1_23E254_Restore.ipsw
Status

Download IPSW (9.64GB) 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