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 |
|
It should be noted that these are the official release notes for the = $os ?> = $version ?> 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: