This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 31 March 2025 |
| Upload Date | 21 March 2025 |
| File Name | iPhone_5.5_P3_15.8.4_19H390_Restore.ipsw |
| File Size | 5.18 GB |
| SHA256sum | bcb69450536a3909f3b6a49f278dfe634e8bfa9dc825f6ab5d1116fa569e657d |
| MD5sum | ea08cc9658290b7c0fdb0d1fddf08476 |
| SHA1sum | e20a363602294c7b772d02aecd018cedaa95caab |
| Identifier | iPhone9,2 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_P3_15.8.4_19H390_Restore.ipsw and press Enter.