You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.
✅ This IPSW firmware is Signed
| Firmware Identifier | iMac21,1 |
|---|---|
| macOS Version | 11.5.2 |
| Release Date | 2021-08-11 |
| Update Date | 2021-08-05 |
| Sha1sum |
9317d97739f7f83670db5a05eccac722ddf45132
|
| Sha256sum |
6c9d5d622a2ee2e23652340e9fa018cb619853e83eca4b66f97c7ae3eb5e4260
|
| md5sum |
20a8b006a47d101090a0ff5c9a4de1ab
|
| Size | 13.01 GB |
| FileName |
UniversalMac_11.5.2_20G95_Restore.ipsw
|
| Status |
|