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

Signed IPSWs

✓

iPhone 2G

iPhoneOS 1.0.1 (1C25)

July 31, 2007

91 MiB

iPhone1,1_1.0.1_1C25_Restore.ipsw

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