Download iOS 26.1 (23B85) for iPhone 15

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier iPhone15,4
iOS Version 26.1
Release Date 2025-11-03
Update Date 2025-11-01
Sha1sum
15d45d4d175b4b7372bd4a7bb31d3ef559bb8ae9
Sha256sum
229af0992084570b5c173d8dd44dc775c5a3f4de7b0db2e62e8d9d7680038d9a
md5sum
99eb05116d44e1c0b725da33b6e26320
Size 9.41 GB
FileName
iPhone15,4_26.1_23B85_Restore.ipsw
Status

Download IPSW (9.41GB) Check device info
Release Notes

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

This update includes the following features and 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://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