✗ This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 14th August 2025 |
|---|---|
| Upload Date | 8th August 2025 |
| Filename | iPhone17,4_18.6.1_22G90_Restore.ipsw |
| Filesize | 9.78 GB |
| SHA256sum | 0bfb0c722f614ba14858521fabd658caaa5dc2080e4a7effbd4939ac77cb6ee1 |
| MD5sum | 9a0f9fae88ecf91e76219ca4ae0ba06c |
| SHA1sum | a3d54afe1318bfc543bfb61e420764c84b3f29ba |
| Identifier | iPhone17,4 |
This update provides a new Blood Oxygen experience for users in the United States with Apple Watch Series 9 and Series 10, and Apple Watch Ultra 2. Measurements are calculated on iPhone and viewed in the Health app.
For information on the security content of Apple software updates, please visit:
https://support.apple.com/100100