Revamped version of the iPhone 3G with faster processing speeds. Repair of this device is similar to the 3G, and requires simple screwdrivers and prying tools. Model A1303 / 16 or 32 GB capacity / black or white plastic back.

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Not starting, DFU-mode detected by itunes, error 1601...

I've had some serious problems with my old 3GS. An external battery pack fried my powermanagent chip, causing my battery performing extremly bad. 12 hours wall-charging for a full charge. Extremly low battery capacity. Anyway, it works (worked), it does it's thing, calling, texting bla bla.

That's history now, i got a new iPhone 4 so I turned my semi-brooken iPhone 3gs off.

Two weeks later I gave my friend the 3GS. But it didn't start, it was totally dead. Charged it for a couple of days without result.

When I put it in DFU-mode iTunes detects it and is asking for a recovery. After a couple of minutes "Preparing iPhone for restoring" I got error 1601, unknown error. (Screen is black during hole procedure)

Google tells me error 1601 is solved by:

Uninstalling/install itunes

Restart computer

Try different USB-cable

Try different USB connector

Try another computer with iTunes

But, noting works...

Any ideas anyone?

Answered! View the answer I have this problem too

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Getting this on a iphone 4. did you ever figure it out?


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as far as I know there is no simple fix for this...apart from a new mother board. apple support only has the same advice you've already taken. I've had same error, and tried all sorts of downgrades/restores/jailbreaks to no avail.

there is one idea on a site which says to restore phone to earliest known iOS for your phone, which worked for them for a similar error. worth a try

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Yeah, you have to replace the logic board. 1601 means it refuses to transition from DFU mode to recovery mode.


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Look at my answer Try to restore get a error 29. If this doesn't help then your issue is hardware related. No fix besides a new board if u fried the chip.

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You need a custom firmware

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Bengt Barsebaeck will be eternally grateful.
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