You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.
❌ This IPSW firmware is not being Signed by Apple
| Firmware Identifier | iPhone8,4 |
|---|---|
| iOS Version | 15.8.4 |
| Release Date | 2025-03-31 |
| Update Date | 2025-03-21 |
| Sha1sum |
40cada7f4ca8e1dd9b7fe80d8f9fb6d7550e4f24
|
| Sha256sum |
fd314966ec3388527a68bcad56518c0c457956819501ce9aa70f38825078eafb
|
| md5sum |
7d6d9cf5ef570cf2ae33719089442b13
|
| Size | 4.88 GB |
| FileName |
iPhone_4.0_64bit_15.8.4_19H390_Restore.ipsw
|
| Status |
|
It should be noted that these are the official release notes for the = $os ?> = $version ?> from Apple
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: