display replaced and... [NAND] _Findflash...

Question

iPhone 5

Шестое поколение iPhone компании Apple, представленное 12 сентября 2012 года. Ремонт данного устройства схож с предыдущими моделями, требующий отвертки и инструменты для вскрытия. Доступен в версиях GSM или CDMA; с 16, 32 или 64 ГБ памяти; в Черном или Белом цвете.

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crikketto @crikketto

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Опубликовано: 8 янв 2014 г.

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display replaced and... [NAND] _Findflash...

Hello, I changed the display of my iPhone 5, but when I turn it on, it appears this:

[NAND ] _FindFlashMediaAndKeepout :601 physical nand block offset 1

[NAND ] start :356 this 0x9f538400 PROVIDER=0x9f6b1f00 flashMedia=0x9f6b1f00

[NAND ] WMR_Start : 149 Apple PPN NAND Driver , Read/Write

[NAND ] WMR_Start : 174 FIL_Init [OK]

[NAND ] WMR_Open : 371 VFL_Open [OK]

[NAND ] s_cxt_boot : 88 sftl : error , unclean shutdown; adopted 11280 spans

[NAND ] WMR_Open : 420 FTL_Open [OK]

[NAND ] _publishServices : 642 FTL capabilities : 0x00000001

[NAND ] _ppnvflGetStruct : 3469 Checking borrowed blocks - count : 23 max_count : 23

[NAND ] _fetchBorrowedList : 881 number of borrowed blocks 16

and then it turns off... What can i do?

Ответ на этот вопрос У меня та же проблема

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I've seen some people say replace the camera flex? A few people have said this works. I have the same problem and am considering trying that solution.

1 июн 2016 г. из jimmyfraz

I spamed the force reset like three times before it cud read it and then it worked again

28 авг 2017 г. из Ridge Love

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13 Ответов

I've seen some people say replace the camera flex? A few people have said this works. I have the same problem and am considering trying that solution. — jimmyfraz
I spamed the force reset like three times before it cud read it and then it worked again — Ridge Love

Tom Chai @tomchai Репутация: 75,3к 19 112 83 · Answer 1 · 2014-01-08T06:40:37-07:00

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Tom Chai @tomchai

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There is something wrong with the front sensor cable, reattatch or replace the cable and try again

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iRepairNational @irepairnational Репутация: 73 2 · Answer 2 · 2014-10-21T13:37:06-07:00

iRepairNational @irepairnational

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Check out our blog post on this issue, their are several different issues that can cause it including the Compass/Accelerometer IC:

http://blog.irepairnational.com/2014/10/...

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I love you iRepairNational! I have seen your post here before, and just now remembered it when I needed it. I have an iPhone 5 here right now with water damage. I have replaced/reflowed all the connectors and put back everything that was damaged....EXCEPT the compass ic. Still booting up with NAND error messages.

This is one of those Eureka times where you can JUST TELL that replacing the compass ic will solve this. I can't believe I forgot this. Thank you!!!

Jessa

29 дек 2014 г. из jessabethany

Yup. Heavy corrosion under compass ic, removed it. Phone is working!!

31 дек 2014 г. из jessabethany

100% done thanks alot phone work good after reheat only

20 авг 2015 г. из nasratkingo

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score 2 · Answer 3 · 2014-01-08T19:35:39-07:00

jessabethany @jessabethany

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iPad Rehab--Microsoldering, Mail-in Repair, Data Recovery

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NAND errors are usually related to a flex cable problem. (And when they are not, it is the motherboard). If it wasn't doing this before your screen replacement, it is probably a flex cable. Try booting the phone with only the power flex installed and see if iTunes recognizes it.

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Saroj @userphone Репутация: 13 1 · Answer 4 · 2016-09-13T00:38:44-07:00

Saroj @userphone

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First you change new display and check if you face same problem again then you remove compass ic your problem solve in few minutes

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midge1237 @midge1237 Репутация: 1 · Answer 5 · 2014-01-08T19:27:53-07:00

midge1237 @midge1237

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I reattached and still got the same error. I then disconnected both sensors to see if it would boot and once again got the same error. I ordered the new front facing camera and sensor flex cable. Do you think this will resolve the issue, or could my logic board be done?

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Am I looking for iTunes to recognize it or not recognize it to tell if it's a motherboard issue?

8 янв 2014 г. из midge1237

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Joshua Ween @joshuaween Репутация: 1 Kiwi phone repairs · Answer 6 · 2014-05-06T23:37:10-07:00

Joshua Ween @joshuaween

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Kiwi phone repairs

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Hi mate yeah same problem...SOLUTION: I replaced the display with a working display..obviously both displays were working but jessabethany was right. Its the front facing camera flex...either check it ifs all connected or just replace... Also the camera speaker and proximity sensor are connected through some pins that may require reflow of solder...theres about ten small pads..if these get loose its probably whats causing the error. i just replaced display to isolate problem and itunes restored fine...

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ali @ali58886 Репутация: 1 · Answer 7 · 2014-05-24T02:51:38-07:00

ali @ali58886

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try it original screen

try it original screen.and restart phone with power and home button.

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forme @forme15659 Репутация: 1 · Answer 8 · 2014-07-05T17:20:57-07:00

forme @forme15659

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yes very true, the camera /sensor/ mic/ head speaker, ribbon cable are to blame for this, my suggestion would be restore without the screen, via iTunes then, after iTunes has finished turn off device, fit without that ribbon see if that works, if yes you know its a faulty camera ribbon etc... you can fit the one to the new screen, just remember to use the old head speaker/phone as well, i had an incompatibility issue so used my old, remember to fit it well as the sound will be terrible otherwise! thanks for your suggestions, prevented another phone going to landfill.. thank you!

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jung young hun @jungyounghun Репутация: 1 · Answer 9 · 2014-08-06T07:47:10-07:00

jung young hun @jungyounghun

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한국어로좀 설명안되나요

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소수의 사람들이 여기에 한국어 이해하기 때문에 될 수 있습니까?

1 янв 2015 г. из Rany

나는 확실히 한국어 를 이해하지 못하는

1 янв 2015 г. из jessabethany

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willieangus @willieangus Репутация: 1 · Answer 10 · 2015-01-01T03:29:33-07:00

willieangus @willieangus

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I used WhiteOut after getting the NAND Flash display error and found it to be an excellent workaround. I've done this several times with both the iPhone 4/4S and 5. Special Note: The front sensors are all sensitive to visible light (proximity sensor, ambient sensor, etc.).

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