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 1.0.2 (1C28)

August 21, 2007

91 MiB

iPhone1,1_1.0.2_1C28_Restore.ipsw

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