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 | iPhone8,1 |
|---|---|
| iOS Version | 15.8.4 |
| Release Date | 2025-03-31 |
| Update Date | 2025-03-21 |
| Sha1sum |
a27fb4d1324841ede2fb445c2cac89d40913c216
|
| Sha256sum |
e74977fdf5fd7c652ff7a265a0a2760d4bbac533cc722112a674671c1b9569df
|
| md5sum |
ee9e6bf03a44ba9ef67595da051131de
|
| Size | 4.92 GB |
| FileName |
iPhone_4.7_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: