✗ This firmware is not signed. This means you cannot restore to it in iTunes.
Your download should begin shortly. If it does not, you can download it directly here:
Download (5.56 GB)✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.
iPhone_5.5_P3_15.8.4_19H390_Restore.ipsw file that you downloaded.iPhone_5.5_P3_15.8.4_19H390_Restore.ipsw file that you downloaded.cd ~/Downloadsidevicerestore -e iPhone_5.5_P3_15.8.4_19H390_Restore.ipsw and press enter.cd DownloadsGet-FileHash iPhone_5.5_P3_15.8.4_19H390_Restore.ipsw -Algorithm SHA1e20a363602294c7b772d02aecd018cedaa95caab. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone_5.5_P3_15.8.4_19H390_Restore.ipswe20a363602294c7b772d02aecd018cedaa95caab. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone_5.5_P3_15.8.4_19H390_Restore.ipswe20a363602294c7b772d02aecd018cedaa95caab. If it doesn't, you may need to redownload the file.| SHA256sum | bcb69450536a3909f3b6a49f278dfe634e8bfa9dc825f6ab5d1116fa569e657d |
|---|---|
| MD5sum | ea08cc9658290b7c0fdb0d1fddf08476 |
| SHA1sum | e20a363602294c7b772d02aecd018cedaa95caab |
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