HOW TO FIX-fastboot mode started udc_start()

joban

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If the method below fails try this way:
http://forum.xda-developers.com/showthread.php?t=1350733

Ok now for all those whos phone just only goes to fastboot means you just soft bricked your phone! but dont worry its still not fully bricked and there are ways to fix it. I also had this problem and the way i fixed it was by flashing the P500 kdz. You'll get weird distorted colors once its all flashed and booted again but just sign on your google and go to the market and go back to the CWM recovery and flash it again and this time dont do backup within the app! I noticed if you use anything in the app itself it couses this problem, so just do everything by rebooting your phone in recovery.

First, get all the drivers.
HERE: http://www.lg.com/us/support/mc-support/drivers/LG _USB _Drivers_All_4.9.7.zip


Now, get the KDZ flasher
HERE: http://www.lg-phones.org/wp-content/uploads/KDZ_FW_UPD_EN.7z

Then get the the KDZ file to flash
HERE:V10E_00.kdz - 4shared.com - online file sharing and storage - download
(If that doesnt work you can google for a P500 kdz file)

Ok once you decompress kdz updater there are three seperate files to work with. 1. windows enabler. 2. msxml.msi 3.KDZ_FW_UPD.exe

Double click windows enabler and you will find an icon in the system tray at the bottom. Left click once and it will say on. Click and install msxml now.

Now you have to boot the phone into emergency mode, turn phone off even if it means taking out the battery.

Press power – volume up – back (this button is next to the home button).

Connect to usb now. the lap top found new hardware and installed four drivers.

Then open device manager. Left click my computer – properties – device manager. You need to disable the lg modem driver. Left click on it and disable. You might need to restart the computer for this so do that too.

Now launch kdz updater. There will be a drop box on left set to 3gspt or similiar. on the right drop box set to diag. The long box just above the info box with a file at the side lets you browse to find restore file. e.g. V10e.00.kdz.

Double click the button below and let it do it’s thing. My laptop is old and slow. Took 15min. My phone shut down and came up with an error at the last minute. Anyway I rebooted and all was good.

Now the phone has all distorted colors and funky but dont worry just Root your phone with Gingerbreak
Gingerbreak v1.20.rar - 4shared.com - online file sharing and storage - download

Then go to the market and get Rom Manager and just flash the recovery, and choose Optimus One. Then you can go back to the Stock 2.2 rom, by flashing one of these from the recovery. Go can access the recovery by holding home and Up and Down Volume keys.
(Phoenix)(ROM)CarloROM-ver.1.0(LG PHOENIX ONLY!!!) - xda-developers
(Thrive)[ROM] LG Thrive P506 Stock FOTA 2.2.2 v11h - xda-developers

Hope that helps.
 
Last edited:

thrivin

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Sorry to bother you but I really need your help.

I followed your directions to the letter. And below is my log of what happened. Short version of the story, it finished, screen was stuck in emergency mode. I pulled the battery and it boots up in emergency mode. Now when I plug the usb in, it doesnt recognize the phone as a device.

I am stuck as to what to do next.

20:34:46:881] : =============================================
[20:34:46:881] : Log is started on 18.10.2011, at 20:34:46:881,
executable: C:\Users\Lee\Desktop\KDZ_FW_UPD.exe (ProcID: 0x00000d30),
compile time : Dec 3 2010 21:03:18
[20:34:46:881] : Version :
[20:34:46:891] : Get Usb Port
[20:34:46:893] : rsi.strFriendlyName=LGE Android USB Serial Port (COM6)

[20:34:46:893] : FriendlyNameList[iii].szFriendlyName=LGE Android USB Serial Port

[20:34:46:893] : WM_COPYDATA ?޽??? ???? 1 - COM6
[20:34:46:893] : Port = COM6
[20:34:46:896] : UNKNOWN : Req(12) -> Rsp(13)
[20:34:46:897] : UNKNOWN : Req(12) -> Rsp(13)
[20:34:46:898] : UNKNOWN : Req(12) -> Rsp(13)
[20:34:46:898] : >> DIAG_STATUS_F FAILED
[20:34:46:903] : >>Get Model Name [DIAG_VERNO_F]
[20:34:46:904] : BAD CONN MODE : Req(0) -> Rsp(3)
[20:34:46:905] : BAD CONN MODE : Req(0) -> Rsp(3)
[20:34:46:906] : BAD CONN MODE : Req(0) -> Rsp(3)
[20:34:46:907] : BAD CONN MODE : Req(0) -> Rsp(3)
[20:34:46:908] : BAD CONN MODE : Req(0) -> Rsp(3)
[20:34:46:909] : BAD CONN MODE : Req(0) -> Rsp(3)
[20:34:46:909] : FAIL (No Phone)
[20:34:46:909] : GetModelName() Operation Failed Check Diag CMD
[20:34:46:909] : EMERGENCY Booting Mode
[20:34:46:909] : >>Get Model Name in Emergency Mode [DLOAD_VERREQ_F]
[20:34:46:910] : BS/P506/7Dee\AppData\Local\Temp\DZ561B.
[20:34:46:910] : WM_COPYDATA ?޽??? ???? 0 - P506
[20:34:46:921] : DLOAD_NAK_F reason_msb = 3, reason_lsb = 3
[20:34:46:921] : [ DLOAD ERROR ] : NAK_INVALID_LEN
[20:34:46:922] : DLOAD_NAK_F reason_msb = 3, reason_lsb = 3
[20:34:46:922] : [ DLOAD ERROR ] : NAK_INVALID_LEN
[20:34:46:923] : DLOAD_NAK_F reason_msb = 3, reason_lsb = 3
[20:34:46:923] : [ DLOAD ERROR ] : NAK_INVALID_LEN
[20:34:46:923] : NV Write Fail : NV ITEM 9028(9028)
[20:34:47:023] : >> GET DLOAD COMM MODE
[20:34:47:024] : [GetCommMode] Communication mode : 2
[20:34:47:024] : Pre Nand Download
[20:34:47:024] : >>Set Trusted Mode [DLOAD_NAND_SEC_MODE] sec_mode = 1 (1=trusted 0=NonTrusted)
[20:34:47:024] : WM_COPYDATA ?޽??? ???? 3 - TRUSTED MODE
[20:34:47:025] : [COM6] >>NandFlashInitWithFile(PARTITION TBL)
[20:34:47:025] : WM_COPYDATA ?޽??? ???? 3 - INIT PARTITION TBL
[20:34:47:107] : ?޽??? ???? TYPE_WPARAM_WRITE_TO_SDRAM 3
[20:34:47:107] : [COM14] ?޽??? ???? TYPE_WPARAM_WRITE_AMSS 15
[20:34:47:107] : [COM6] >>NandFlashInitWithFile(AMSS MODEM HEADER)
[20:34:47:108] : WM_COPYDATA ?޽??? ???? 3 - INIT AMSS MODEM HEADER
[20:34:47:119] : [COM14] >>Dl_AsyncWrite()
[20:34:47:119] : >> AMSS FLASHING ...
[20:34:47:120] : ?޽??? ???? ProgreassiveBar Init wParam TYPE_WPARAM_PROGRESSIVE_POS=5 lParam(pos)=0 nResult=0
[20:34:47:120] : Sending Pkt Seq : 0
[20:34:47:120] : Sending Pkt Seq : 1
[20:34:47:120] : Sending Pkt Seq : 2
[20:34:47:120] : Sending Pkt Seq : 3
[20:34:47:120] : Sending Pkt Seq : 4
[20:34:47:120] : Sending Pkt Seq : 5
[20:34:47:120] : Sending Pkt Seq : 6
[20:34:47:120] : Sending Pkt Seq : 7
[20:34:47:120] : Sending Pkt Seq : 8
[20:34:47:120] : Sending Pkt Seq : 9
[20:34:47:131] : Dl_AsyncWrite - ErrNo(45), Addr(0x00004800), NandErrNo(0x04)
[20:34:47:131] : [COM14] ERROR Dl_AsyncWrite() TYPE_LPARAM_UPGRADE_ERROR_WRITE_TO_FLASH
[20:34:47:131] : WM_COPYDATA ?޽??? ???? 3 - Close Port
[20:34:47:131] : Close Port<<
[20:34:47:131] : TYPE_WPARAM_UPGRADE_ERROR
[20:34:47:131] : ?޽??? ???? - TYPE_WPARAM_UPGRADE_ERROR Error Code = 4008
[20:34:47:148] : Log finished

I would be eternally grateful if you could help me get out of this jam. I wonder if its because I have the p506 Thrive and not the phoenix.
 

LifesGoodPhoenix

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i cant answer your question sorry....i can say that useing jobans method put my phoenix into the boot screen and wouldnt go any further... found V20B kdz couldnt find V20E, dont think it matter cuz i flashed V20B and it booted my phone. now im just in the procces of rooting and gettting CWM to flash the right OS...
 

donavan

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Ok once you decompress kdz updater there are three seperate files to work with. 1. windows enabler. 2. msxml.msi 3.KDZ_FW_UPD.exe

Double click windows enabler and you will find an icon in the system tray at the bottom. Left click once and it will say on. Click and install msxml now.

Ok I downloaded the KDZ_FW_UPD_EN.7z file. I extracted it and found the following files inside:

KDZ_FW_UPD.exe
LGMobileDL.dll
mfc42.dll
msxml.msi
Readme.txt

the msxml install fine and the the KDZ updater works but it can't seem to find my phone it keeps telling me: PHONE WAS NOT FOUND!

I don't see this windows enabler file that your talking about. Am I doing something wrong or was there a step left out? Please help I really need my phone working ASAP.
 

donavan

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Well I finally got all the drivers to install correctly but now the phone is just kinda hanging at the android screen it does the animation and flashes every so often but thats it. Next step?
 

joban

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did u check if CWM still there? if not then try getting another kdz file and flash that n get rom manager and flash the cwm!
 

donavan

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ok after downloading some other software from LG and telling the computer I was in singapore and spoke english I got the right driver to install and everything seemed to work ok. I had to reflash the phone a few times before it took but I am now up and running in CM7 with the joban kernel unfortuantely its force closing all the time still working on that one.
 

waisingmak

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hey donavan, which version did you use? im getting stuck at the same part... just a flashing android screen over here too

EDIT: Nvm, did a hard-reset (home, vol-up and power) and it booted after a long time
 
Last edited:

Oathkeeper1212

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Lol joban, i tried doing your kernal on my friends and i got this :p so she hs a thrive and im trying to do it but i get an error. dont we need to set phone mode to emergency?

UPDATE: ok so the error i get is
Upgrade Error

WParam: 100
LParam: 4008
 
Last edited:

joban

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Lol joban, i tried doing your kernal on my friends and i got this :p so she hs a thrive and im trying to do it but i get an error. dont we need to set phone mode to emergency?

UPDATE: ok so the error i get is
Upgrade Error

WParam: 100
LParam: 4008

can you explain more? is that error on the kdz flasher? and make sure u have all the correct drivers installed and then disable the modem driver and then put it emergency and try flashing again!
 

Oathkeeper1212

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are you even reading the guide? Please read again what I wrote and follow the steps when in emergency mode.

I am, i went in emergency mode and stuff, tried to flash it, got the error like 3 times (the one i posted), and now, instead of seeing fastboot mode, it just goes straight to emergency mode
 

joban

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ok plugin usb right when it goes into emerg mode and then let the computer install some drivers and then go disable the modem driver
 

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