✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | February 11, 2026 |
|---|---|
| Upload Date | February 7, 2026 |
| Filename | iPhone15,4_26.3_23D127_Restore.ipsw |
| Filesize | 9.4 GiB |
| SHA256sum | c9681dc915b28a8d7e4c45213b6eeecf91a782434d5ffef11139e777a8e9efcc |
| MD5sum | 8b38d694695736256fd128810dd3f75c |
| SHA1sum | e39702c4f95728d8c988e478bb18cf2d9b13e7ef |
| Identifier | iPhone15,4 |
This update provides important bug fixes and security updates.
For information on the security content of Apple software updates, please visit:
https://support.apple.com/100100
Some features may not be available for all regions. For more information, please visit:
Software updates, like this one, add new features and improvements that may affect performance and/or battery life. To learn more, please visit: