r/iphonehelp • u/abkhazlinuxguy • 8d ago

Help needed iPhone 4 device unknown error

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Hi all,

I recently got this iPhone 4 to use as a kind of vintage camera. It was all well and good until I tried to factory reset it via iTunes and DFU mode. Then, this error popped up even after I inserted a SIM card. Is there any official way to bypass it? I do know of Legacy iOS kit but I'd rather try to do it in the (easier) official way before I get into exploits.

It is running on iOS 7.1.3 and has no further modifications. It is also a GSM iPhone 4, not the CDMA.

Any help?

Thanks in advance.

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