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iPhone 7 plus error itunes 4014

I have an iphone 7 plus that at recovery itunes me from 4014 error.

The phone went into contact with liquids, but there were no signs of oxide inside, because it was caught in time.

identified short circuit on the line 3 volt nand, I remove the short, but to restore itunes me from error 9 ...

Dissald the nand and I put another one that is safe, but now it gives me 4014 error ..

I have tested voltage drops on pads under nand and they are ok.

voltages nand prensenti 3 volt - 1, .8 v - 0.9

tristar ok

what else can I check?

UPDATE:

Block Image

this is the resistor

Beantwortet! Antwort anzeigen Ich habe das gleiche Problem

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[image|1462982] this is the resistor

von

Free Up iPhone Space

Free up space if there is not enough storage on your iPhone for the update. The error 4013/4014 could show up when your iPhone doesn't have space for the new iOS update.

Hope This Helps,

Peter

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To calculate resistors in parallel, it is 1/((1/R1)+(1/R2)). That configuration that you tried would give you 4K. In parallel, the resultant resistance is always lower than the smallest one. Perhaps more importantly, R1703 is 24.9 Ohms, not 24.9 KiloOhms. You're off by three orders of magnitude :>).

I looked around and finding a 24.9R resistor in a 01005 package is very difficult. You could put two of these in parallel...it will give 24.95R.

Did you program the NAND prior to putting it into the logic board. If it has the wrong serial number, it would probably give you an error 4014 type message.

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hello minho, in the meantime, thank you for your reply.

You're right, the resistance R1703 is 24.9 ohms, looking schematically I found one with the same value on the motherboard of 6s or 7, I'll take it from there.

Instead regarding the 4014 error, you say that gives me because the serial of the nand that I go to put is different?

is it due to the new update?

because on the iPhone 6 putting another nand without reprogramming it was completed.

thank you

von

You have to program the NAND with the proper metadata, otherwise it would be easy to remove Activation lock.

von

you're right ... but the theory even with an unplanned nand the phone should complete restore ... but after obviously it will not be activated !!!

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this error is normally caused by either a bad cable or a bad connector port, try another cable first, if that doesn't work, then time to replace the lightning port

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you think? I tested the functioning of the dock connector and I have 3.8 volts and 5 volts.

von

I lost this resistance of 24.9k .. I can not find them on other boards. and I put 2 in parallel, one from 20k and the other from 5k. could this be the problem? I'll have this wrong @refectio

von

Usually that means the cable is damaged and cannot transfer data correctly, if it could not connect at all then the computer would not see the phone at all or the port intermittently stops data transfer, which could cause data corruption which is why iTunes cannot connect, idk about the serial numbers been though apple has replaced nand chips before, but error 9 is caused when you try to update your phone thru itunes and attempt to update from, say iOS 8 to iOS 11 or something similar, in that case if the old band still works you can try using that one again and do an ota update if possible

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man_fry wird auf ewig dankbar sein.
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