✓ This firmware is signed. This means that you can restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | March 14, 2022 |
|---|---|
| Upload Date | March 1, 2022 |
| Filename | UniversalMac_12.3_21E230_Restore.ipsw |
| Filesize | 13 GiB |
| SHA256sum | 0ceb505082b254d14a7eef406b48671c0abd7c943d25fa75ea2807ea17504006 |
| MD5sum | ebc5b2018be0ae7833d528f22e4d2249 |
| SHA1sum | b9e895b403586591040864d23643132c20ca7913 |
| Identifier | MacBookPro18,4 |