The third generation of iPad, released on March 16, 2012. Full 4G and Wi-Fi model repair guides. Repairs require heat and careful prying.

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Serious Problems with Error 4013

Hi,

My iPad3 Wifi is locked in the „Restore Mode“ (iTunes Symbol + cable on Display). First I got “unknown error 9”, after the release of IOS8 “unknown error 4013”. I tried everything on different computers (Win/OSX), USB Ports, DFU/Restore Mode, different cables, and so on – the full program with no success.

After endless hours of searching I thought I got the solution – the dock connector must be defect. Today I opened the iPad with the Ifixit toolset (works great!) and replaced the dock connector. What shall I say, still “unknown error 4013”. I tried some other things: Cameras (Front, Back, Front + back) off, Speakers off, Battery reset several times with different cables on different USB Ports at my computer “Unknown error 4013”.

Jailbreak Tools doesn’t work cause of the Restore mode.

The iPad lays still open beside me, but I don’t know what more I can do?

Hope someone got something like an flash of inspiration for me…

Answer this question I have this problem too

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Deck the Halls
With tools and Fix Kits

7 Answers

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Disconnect the mic assy and that hopefully solve the issue your having.

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Disconnect whole flex cable from MB to cameras and headphone jack

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the longer i do this im less and less surprised, so many variables its tough to do this as a business 6 years in ; ) dont know if i got 6 more in me lol

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sometimes we all need a reminder of why this is a job ; ) I need to contribute to the forums more, 2017 new years repair resolution from Dr. Apple San Diego.

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you're sure this is iPad 3 and not iPad 4?

you were on the right tracking thinking it could be charge port. This is unusual in iPad 3 but common in iPad 4 to have damage to the usb logic ic chip due to non-Apple charger damage.

I don't have any other suggestions for you, it is likely a hardware defect. You could google the difference between recovery mode and DFU mode just to make sure that you are in true DFU mode before attempting to restore via your new charge port.

jessa

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Hi Jessa,

Thanks for the quick reply. I’m totally sure it’s an iPad3 – bought in on the day we lost in the Semi Final against Italy in June 2012...

Now I’m too drunk to do anything with the iPad but perhaps got some new ideas. In a few hours I try it on the Laptop of a friend.

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Gregor, most of the solutions that folks offer for mobile device repair are based on pattern recognition--having seen this fault on a device that had problem X before. Yours does not match a known pattern. You're outside the scope of advice we can give you from history.

In general, most people find that this is the end of the line and it's not worth the time to pursue. However, if you want to pursue it, you'd try to work from the schematic (widely available via Google) and start measuring and testing individual components comparing to a known good iPad 3. Some chip on the board will measure wrong, or not be putting out the voltages/signals that the schematic says that it should. If you can figure out which chip is at fault, then you'll have the difficult job of sourcing and replacing the chip.

best of luck!

jessa

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After a week at the office I’m now working again on my IPad but I don’t know what I can do:

The problem is still “Error 4013”: Same problem under Restore + DFU Mode with iTunes 12.1.1.4 (the new one, released this week).

I’m sure it’s a hardware problem – but which part?

From my point of view it must be:

• Dock Connector (already changed)

• Front/Rear Camera?

• Speaker?

• Logic Board?

Any Software tools to locate the problem or to build up a connection to my IPad?

Kind regards

Gregor

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Error 4013 SOLVED

I had the same problem ERROR 4013 on a iPad WiFi/ Cell ,

What I did to solve the problem was before to connect to the computer and do the restart I removed the sim card

Hope this helps someone! !!

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Hi Victormg,

Thanks 4 your answer, but my IPad is WIFI only, so I can’t remove a sim card.

My IPad still rests “open” somewhere in a closet. Maybe I will try another dock connector someday…

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In my opinion this is a bad nand chip. The itunes log would be useful.

I have solved such problems with reballs.

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I called an apple tech for help: end of support. That it is ??

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Gregor will be eternally grateful.
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