✗ This firmware is not signed. This means you cannot restore to it in iTunes.
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Download (5.4 GB)✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.
iPhone_4.7_P3_15.8.3_19H386_Restore.ipsw file that you downloaded.iPhone_4.7_P3_15.8.3_19H386_Restore.ipsw file that you downloaded.cd ~/Downloadsidevicerestore -e iPhone_4.7_P3_15.8.3_19H386_Restore.ipsw and press enter.cd DownloadsGet-FileHash iPhone_4.7_P3_15.8.3_19H386_Restore.ipsw -Algorithm SHA1e46e49aa22b5a47f59fd71a73864796e640becd5. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone_4.7_P3_15.8.3_19H386_Restore.ipswe46e49aa22b5a47f59fd71a73864796e640becd5. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone_4.7_P3_15.8.3_19H386_Restore.ipswe46e49aa22b5a47f59fd71a73864796e640becd5. If it doesn't, you may need to redownload the file.| SHA256sum | 58eb21b90dca94b0aa6445c2959178d7751b581b8f6fce4f8aef3668527a52d4 |
|---|---|
| MD5sum | f05a06de812a5e429bdf800b797c0be0 |
| SHA1sum | e46e49aa22b5a47f59fd71a73864796e640becd5 |
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:
https://support.apple.com/HT201222