Discuss 3GS stuck in recovery mode (NAND not working ?) at the Tools - Hackint0sh.org; Iphone 3GS is stuck in recovery mode.
When accessing the device with irecovery i get ...
3GS stuck in recovery mode (NAND not working ?)
Iphone 3GS is stuck in recovery mode.
When accessing the device with irecovery i get this output:
:: iBoot for n88ap, Copyright 2011, Apple Inc.
:: BUILD_TAG: iBoot-1219.62.15
:: BUILD_STYLE: RELEASE
:: USB_SERIAL_NUMBER: CPID:8920 CPRV:15 CPFM:03 SCEP:04 BDID:00 ECID:000000
7FC606CD76 IBFL:03 SRNM:[870058UM3NP]
[FTL:MSG] Aple NAND Driver (AND) RO
[NAND] findNandInfo:313 No NAND Detected
[NAND] _initRawNand:566 [FIL:ERR] FMI - No recognized NAND found!
[NAND] h2fmiInitVirtToPhysMap:827 CE Map failed!
Raw NAND FTL failed initialisation
Boot Failure Count: 1 Panic Fail Count: 2
Entering recovery mode, starting command prompt
Does it mean my NAND is defect?
Yes, that's pretty much what this means. The driver that is attempting to initialize the NAND is failing on the first step -- it does not detect the NAND chip at all. This can happen if you've dropped the phone really hard and one of the solder joints has popped, but it can also happen if you use older, unrecommended tools to do a flash or jailbreak.
What happened to the phone prior to this error message? That will help determine whether it's something that may be able to be fixed by you or whether the best bet is to just buy a replacement logic board.
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