
✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
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Download (15 GiB)This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.
UniversalMac_15.3.1_24D70_Restore.ipsw file that you downloaded.UniversalMac_15.3.1_24D70_Restore.ipsw file that you downloaded.cd ~/Downloadsidevicerestore -e UniversalMac_15.3.1_24D70_Restore.ipsw and press enter.cd DownloadsGet-FileHash UniversalMac_15.3.1_24D70_Restore.ipsw -Algorithm SHA1c2b5bca53c6cf475e7a2a0b6d6c0db19477d69eb. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 UniversalMac_15.3.1_24D70_Restore.ipswc2b5bca53c6cf475e7a2a0b6d6c0db19477d69eb. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 UniversalMac_15.3.1_24D70_Restore.ipswc2b5bca53c6cf475e7a2a0b6d6c0db19477d69eb. If it doesn't, you may need to redownload the file.| SHA256sum | 559a78b75adc6bec77665b17db0e166eba326b04fc534e2a086253be92e043b0 |
|---|---|
| MD5sum | 559a78b75adc6bec77665b17db0e166eba326b04fc534e2a086253be92e043b0 |
| SHA1sum | c2b5bca53c6cf475e7a2a0b6d6c0db19477d69eb |