✓ This firmware is signed. This means that you can restore to it in iTunes.
Your download should begin shortly. If it does not, you can download it directly here:
Download (13.7 GB)UniversalMac_12.4_21F2092_Restore.ipsw file that you downloaded.UniversalMac_12.4_21F2092_Restore.ipsw file that you downloaded.cd ~/Downloadsidevicerestore -e UniversalMac_12.4_21F2092_Restore.ipsw and press enter.cd DownloadsGet-FileHash UniversalMac_12.4_21F2092_Restore.ipsw -Algorithm SHA10c17176fb5d59a0eccb1db5811a7b5b6dbc6a1a3. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 UniversalMac_12.4_21F2092_Restore.ipsw0c17176fb5d59a0eccb1db5811a7b5b6dbc6a1a3. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 UniversalMac_12.4_21F2092_Restore.ipsw0c17176fb5d59a0eccb1db5811a7b5b6dbc6a1a3. If it doesn't, you may need to redownload the file.| SHA256sum | e81de9b2636d004d6e18dbc70bacfbd248850abcf3fad2e439f5c8a92c22fc12 |
|---|---|
| MD5sum | c58f01b9ca1aa13cf7126c8e8931a6be |
| SHA1sum | 0c17176fb5d59a0eccb1db5811a7b5b6dbc6a1a3 |