Signed IPSW files can be restored via Finder, the Apple Devices app, iTunes, or idevicerestore. Unsigned IPSWs cannot currently be restored to.
| ✗ | HomePod mini | audioOS 14.2.1 (18K75) | December 7, 2020 | 2.1 GiB | AudioAccessory5,1_14.2.1_18K75_Restore.ipsw | Download |