✓ This firmware is signed. This means that you can restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | March 4, 2026 |
|---|---|
| Upload Date | March 1, 2026 |
| Filename | iPhone15,4_26.3.1_23D8133_Restore.ipsw |
| Filesize | 9.4 GiB |
| SHA256sum | 864eab98814d3031fd7261383c2c6711b558a168984d26b370e1071cad163f1d |
| MD5sum | a7855ed5a885076e95c9f6f34cc5a213 |
| SHA1sum | 20fded225621d86086c747676b0944b27963898b |
| Identifier | iPhone15,4 |
This update provides bug fixes for your iPhone
For information on the security content of Apple software updates, please visit this website: