✓ 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 | iPhone18,3_26.4.2_23E261_Restore.ipsw |
| Filesize | 10 GiB |
| SHA256sum | 380e48cd97fcc19ec4d0b9eb1c8e0898c34e7e0264524affe8d94ecf04628b98 |
| MD5sum | 2a99dcdcd8c0af6b78901a81d3d4f91f |
| SHA1sum | ad74503cddd37bc6b6145dffd4879437c4cf6c98 |
| Identifier | iPhone18,3 |
| Tags | iOS iOS 26.4.2 iPhone 17 |
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: