Signed
Download 12.3.1 (21E258) for MacBook Pro (M1 Max, 16-inch, 2021)
You can restore to this firmware in iTunes or Finder.
File details
| Release Date | Mar 31, 2022 |
|---|---|
| Upload Date | N/A |
| Filename | MacBookPro18,2_12.3.1_21E258_Restore.ipsw |
| Filesize | 12.92 GB |
| SHA256sum | cb0443525571ea5e54aa5a8fd9c52774591892311405183741f4a02f993e18d5 |
| MD5sum | 6c943a751207e9e06ab018a7bb568d40 |
| SHA1sum | N/A |
| Identifier | MacBookPro18,2 |