✓ This firmware is signed. This means that you can restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | April 22, 2026 |
|---|---|
| Upload Date | April 19, 2026 |
| Filename | iPhone18,1_26.4.2_23E261_Restore.ipsw |
| Filesize | 10 GiB |
| SHA256sum | fd003301bd81cfb7dbd1324b5814a9acb4d6d68ea7aec6c2153ecd5e1ef587fe |
| MD5sum | 0a65c386ea523c7a5425b1832db86203 |
| SHA1sum | 7dba890d87a77a28f1170e45eb815a57213dca91 |
| Identifier | iPhone18,1 |
| Tags | iOS iOS 26.4.2 iPhone 17 Pro |
This update provides bug fixes and security updates for your iPhone.
For information on the security content of Apple software updates, please visit this website: