Download iOS 26.4 (23E246) for iPhone 17 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 iPhone18,2
iOS Version 26.4
Release Date 2026-03-24
Update Date 2026-03-21
Sha1sum
ea18496a68a9049ed1cfbff557dc497e2daef790
Sha256sum
e7cde2765e54c911a949ad602e5e18136b93af66b17c7d36b9e2cde029ec4184
md5sum
49b356b05e1901dc47f233d8ce759de9
Size 10.53 GB
FileName
iPhone18,2_26.4_23E246_Restore.ipsw
Status

Download IPSW (10.53GB) 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