Download iOS 26.4 (23E246) for iPhone 15 Pro Max

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 iPhone16,2
iOS Version 26.4
Release Date 2026-03-24
Update Date 2026-03-21
Sha1sum
00a0466d547da5ee91a85457b2f869bca47f3f54
Sha256sum
d4e696aa105c7caf426905a9035df7ff0cbcd3ccdd2c65e8eff086e0de63cbe3
md5sum
ed6f850df7c2b0f117311390565046ae
Size 10.35 GB
FileName
iPhone16,2_26.4_23E246_Restore.ipsw
Status

Download IPSW (10.35GB) 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