✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | March 27, 2023 |
|---|---|
| Upload Date | March 16, 2023 |
| Filename | iPhone_4.0_64bit_15.7.4_19H321_Restore.ipsw |
| Filesize | 4.9 GiB |
| SHA256sum | edb9475fad6a0a9d6da3541dccc056abc65542d8857e75fe900e2b9e3d956c28 |
| MD5sum | 0874382a584e998094057fa53efc46fe |
| SHA1sum | 59c29dcf3f027d834db97389942575fb1962f0e8 |
| Identifier | iPhone8,4 |
This update provides important security fixes and is recommended for all users.
For information on the security content of Apple software updates, please visit this website: