✗ This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 31st March 2025 |
|---|---|
| Upload Date | 21st March 2025 |
| Filename | iPhone_4.0_64bit_15.8.4_19H390_Restore.ipsw |
| Filesize | 5.24 GB |
| SHA256sum | fd314966ec3388527a68bcad56518c0c457956819501ce9aa70f38825078eafb |
| MD5sum | 7d6d9cf5ef570cf2ae33719089442b13 |
| SHA1sum | 40cada7f4ca8e1dd9b7fe80d8f9fb6d7550e4f24 |
| Identifier | iPhone8,4 |
This update provides important bug fixes and security updates and is recommended for all users.
For information on the security content of Apple software updates, please visit this website:
https://support.apple.com/HT201222