Signed IPSW files can be restored via Finder, the Apple Devices app, iTunes, or idevicerestore. Unsigned IPSWs cannot currently be restored to.

Unsigned IPSWs

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HomePod mini

audioOS 14.2.1 (18K75)

December 7, 2020

2.1 GiB

AudioAccessory5,1_14.2.1_18K75_Restore.ipsw

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