✗ 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 (8.24 GB)✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.
iPhone12,1_18.3.1_22D72_Restore.ipsw file that you downloaded.iPhone12,1_18.3.1_22D72_Restore.ipsw file that you downloaded.cd ~/Downloadsidevicerestore -e iPhone12,1_18.3.1_22D72_Restore.ipsw and press enter.cd DownloadsGet-FileHash iPhone12,1_18.3.1_22D72_Restore.ipsw -Algorithm SHA1581b7c9159028bdecd9ee0267c267aa8c134edb6. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone12,1_18.3.1_22D72_Restore.ipsw581b7c9159028bdecd9ee0267c267aa8c134edb6. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone12,1_18.3.1_22D72_Restore.ipsw581b7c9159028bdecd9ee0267c267aa8c134edb6. If it doesn't, you may need to redownload the file.| SHA256sum | 3e80bf42456a6f461f3a08d95e49862564ce3ed91a5baa30272b839e51ac17af |
|---|---|
| MD5sum | 43847dd72c2e286a8a4ea252628d9e3e |
| SHA1sum | 581b7c9159028bdecd9ee0267c267aa8c134edb6 |
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/100100