iPhone X 4013 error does not enter dfu mode

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iPhone X

Lançado em 4 de novembro de 2017. Modelo A1865, A1901. Disponível com GSM ou CDMA / 64 ou 256 GB / Prateado ou Cinza Espacial. (Pronunci-ase com X como número romano, isto é, iPhone X é o mesmo que “iPhone 10”.)

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Myron. @iammyron07

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Postado: 27 de jul de 2021

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iPhone X 4013 error does not enter dfu mode

Hey guys, got an iPhone X water damaged with 4013 error, ruled out common issues like the speaker flex and changed housing too. Same issue occurs. Phone doesn’t enter DFU mode, and gives me 4013 error on iTunes. I am suspecting a bad NAND Flash chip so i wanted to know how do I remove the nand? As I’ve never done a NAND fix on a Sandwich Layer Board. Do I seperate the two halves or straight away remove the chip? Because i’ve seen people where they do not seperate the board halves and remove the nand flash. Also if there could be any other issue someone can point me towards would be helpful.

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Also it was previously repaired by another tech and it was working fine, then suddenly the Taptic Engine stopped working so i suspected it was a bad charging dock so i tried a new one too, and new housing aswell, Same issue. User told me he was updating it and left it at that, when he came back it was bootlooping.

27 de jul de 2021 por Myron.

Uploaded the iTunes Restore Logs here:

https://hastebin.com/ibuyokizad.yaml

27 de jul de 2021 por Myron.

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Chris Stables @imicrosoldering

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Postado: 27 de jul de 2021

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You don’t have to split the board but be aware the CPU is underneath and the NAND will require more heat for its removal.

If you have an iBox Mini you could test the NAND and reformat if necessary without removing it. I use it on the X after a bottom board swap to unbind the Wi-Fi from the NAND.

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I have the iRepair but the phone doesn't want to enter dfu mode, that is the issue?

28 de jul de 2021 por Myron.

@iammyron07 So the error 4013 was in recovery mode? You might have more luck by forcing it into DFU. Inject 1v8 into the above test point to force it into DFU.

28 de jul de 2021 por Chris Stables

Yes 4013 is in recovery mode

29 de jul de 2021 por Myron.

@iammyron07 If it can go into recovery mode it can go into DFU mode.

29 de jul de 2021 por Chris Stables

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Also it was previously repaired by another tech and it was working fine, then suddenly the Taptic Engine stopped working so i suspected it was a bad charging dock so i tried a new one too, and new housing aswell, Same issue. User told me he was updating it and left it at that, when he came back it was bootlooping. — Myron.
Uploaded the iTunes Restore Logs here:

https://hastebin.com/ibuyokizad.yaml — Myron.
I have the iRepair but the phone doesn't want to enter dfu mode, that is the issue? — Myron.
@iammyron07 So the error 4013 was in recovery mode? You might have more luck by forcing it into DFU. Inject 1v8 into the above test point to force it into DFU. — Chris Stables
@iammyron07 If it can go into recovery mode it can go into DFU mode. — Chris Stables

Jesse Hooton @hootonberg Rep: 11,4 mil Mobile Device E.R. 7 5 1 · Answer 1 · 2021-07-27T11:15:52-07:00

Jesse Hooton @hootonberg

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Postado: 27 de jul de 2021

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Error 4013 does typically point to a bad NAND if I’m not mistaken. Before you separate the layers, are you able to at least check the power and data lines that go to and from the NAND to make sure they aren’t shorted?

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Yes, I've checked all NAND power and data lines, none are shorted.

27 de jul de 2021 por Myron.

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iPhone X

iPhone X 4013 error does not enter dfu mode

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