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[HOW TO] Unbrick LG Optimus One P500 from fastboot mode started udc_start()..

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thenugpot
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Unhappy LG P500 Bricked

I tried to upgrade my firmware from 2.2 to 2.3 and followed the steps as per many web sites to the letter, my phone went into Emergency mode for around a minute and then it gave me an error message and said finished inside the KDZ app.

Then nothing! My phone is off, dont display anything! I cant switch it on and it wont even show an error message on the screen. The lights on the buttons wont even go on, nothing! I tried some hard reset (home, volume and power but nothing!) I dont think its hardware related as this happened while trying to do an Firmware update. Also the battery was around 70% charged. Please if anyone can help me unbrick my phone, I will be very grateful.

To people trying to get their firmware from 2.2 to 2.3 take my advice, its not worth the risk.

Heres the first and last part of my error log if anyone care to try and help me.

Thanks.

[20:52:01:468] : =============================================
[20:52:01:468] : Log is started on 24.10.2011, at 20:52:01:468,
executable: D:\_Backups\_Applications\_Foon\LG P500\KDZ_FW_UPD_EN\KDZ_FW_UPD_EN\KDZ_FW_UPD.exe (ProcID: 0x00000ab4),
compile time : Sep 8 2010 17:19:53
[20:52:01:468] : Version :
[20:52:01:500] : strFilename1 = V20

[20:52:01:500] : m_DlMode = 4, m_strBinaryPath = C:\Documents and Settings\All Users\Application Data\LGMOBILEAX\Phone\DZ_GT540AT-00-V20e-CIS-XXX-MAR-22-2011.dz, m_nSelectedImages= 70787108

[20:52:17:500] : Start Web Downloading
[20:52:17:500] : Get Usb Port
[20:52:17:500] : rsi.strFriendlyName=Toshiba BT Port (COM10)

[20:52:17:500] : Remove Toshiba BT Port (COM10)

[20:52:17:500] : rsi.strFriendlyName=Toshiba BT Port (COM11)

[20:52:17:500] : Remove Toshiba BT Port (COM11)

[20:52:17:500] : rsi.strFriendlyName=Toshiba BT Port (COM12)

[20:52:17:500] : Remove Toshiba BT Port (COM12)

[20:52:17:500] : rsi.strFriendlyName=Toshiba BT Port (COM13)

[20:52:17:500] : Remove Toshiba BT Port (COM13)

[20:52:17:500] : rsi.strFriendlyName=Toshiba BT Port (COM14)

[20:52:17:500] : Remove Toshiba BT Port (COM14)

[20:52:17:500] : rsi.strFriendlyName=Toshiba BT Port (COM20)

[20:52:17:500] : Remove Toshiba BT Port (COM20)

[20:52:17:500] : rsi.strFriendlyName=Toshiba BT Port (COM21)

[20:52:17:500] : Remove Toshiba BT Port (COM21)

[20:52:17:500] : rsi.strFriendlyName=Toshiba BT Port (COM6)

[20:52:17:500] : Remove Toshiba BT Port (COM6)

[20:52:17:500] : rsi.strFriendlyName=Toshiba BT Port (COM7)

[20:52:17:500] : Remove Toshiba BT Port (COM7)

[20:52:17:500] : rsi.strFriendlyName=Motorola SM56 Data Fax Modem

[20:52:17:500] : Remove Motorola SM56 Data Fax Modem

[20:52:17:500] : rsi.strFriendlyName=LGE Bluetooth TransPort (COM18)

[20:52:17:500] : Remove LGE Bluetooth TransPort (COM18)

[20:52:17:500] : rsi.strFriendlyName=LGE Android Platform USB Serial Port (COM15)

[20:52:17:500] : FriendlyNameList[iii].szFriendlyName=LGE Android Platform USB Serial Port

[20:52:17:500] : rsi.strFriendlyName=LGE Android Platform USB GPS NMEA Port (COM16)

[20:52:17:500] : Remove LGE Android Platform USB GPS NMEA Port (COM16)

[20:52:17:500] : WM_COPYDATA ޽ 1 - COM15
[20:52:17:500] : Port = COM15

...

[20:53:03:953] : [COM15] >>Nand FLASH FINALIZE [DLOAD_NAND_FINALIZE_F]
[20:53:03:953] : Clear
[20:53:03:953] : Clear
[20:53:04:015] : _Reset_N_Close bFirst = 3
[20:53:04:015] : ޽ TYPE_WPARAM_RESET_THE_PHONE_1ST 8
[20:53:04:015] : Reset after oemsbl download
[20:53:04:015] : [COM15] Reset [DLOAD]
[20:53:04:015] : WM_COPYDATA ޽ 3 - RESET
[20:53:04:312] : Clear
[20:53:04:312] : Clear
[20:53:04:312] : 2_DIAG_DLOAD_F DLOAD_RESET_F do not wait for response
[20:53:04:609] : Clear
[20:53:04:625] : WM_COPYDATA ޽ 3 - Close Port
[20:53:04:625] : Close Port<<
[20:53:44:625] : TYPE_WPARAM_UPGRADE_ERROR
[20:53:44:625] : ޽ - TYPE_WPARAM_UPGRADE_ERROR Error Code = 6
[20:53:44:671] : Log finished

 
Left4DeadMW
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man this was the most painful day in my life...
here's why...

Tried to update my phone( i had 2.2) via Lg support tool and my phone stuck in infinitive boot e.g on LG logo screen - So i spent 6hours figuring it out and i finaly managed to downgrade my room...unfortunate i "downgraded" it to gingenbread(2.3.3)...yeyyy

After this i learned about roms,root and some other stuff so i did a litle research on google and figured out how to root my droid...I deleted some apps(like twiter,memo and thinkoffice) and when i pressed HOME button - I HAD BLACK SCREEN = F*** IT
Spent another 6hours - From factory reset,formating sd and stuff to complete format from recovery mode via ROM MANAGER Premium and finaly i stuck on fastboot...
Spent another hour figuring it out i NOW i finaly managed to fix my android...

What did i learned? F*ck that root and updates, great thing but can f*ucked up your phone...

Anyway i'm not some novice noob who first time sees codes, problems and stuff...
Hacker: -When all doors are closed, you'll find a way in(in this case it's from the windows =)
 
incredible007
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Quote:
Originally Posted by ganesh3s3 View Post
If you did something like install custom recovery on your lg optimus one and failed, you would get a black screen saying..

fastboot mode started
udc_start()


If this happens...


Relax.. Your phone is not bricked.. There is a way to fix it...

First disable all LGE modems under modems from windows device manager..

Make sure you have LG united mobile drivers installed.. Or just google for it..

Charge your phone before proceeding even if the backlight is always on..

Things required:
Kdz updater:
http://forum.xda-developers.com/show...05&postcount=1
Stock rom:
http://forum.xda-developers.com/showthread.php?t=865479
USB cable, Windows PC with administrator account..

Then press and hold both the back(return) button and the volume up button and simultaneously connect the USB cable..

The phone should light up and say Emergency mode!! in a green background.. If it goes to emergency mode, it can be fixed... Even at your home...

Then decompress the 7z, install msxml.msi from the uncompressed directory and run KDZ_FW_UPD.exe (With administrator rights by right clicking and selecting run as administrator).
Select Type : 3GQCT and PhoneMode: DIAG, select the kdz file and flash the stock ROM... It would take about 15 minutes.. If the kdz updater crashes, change compatibility mode or restart the computer and phone or do something till it works (Retry retry retry)...

Follow any one choice:

Choice 1:
If you want your phone to have all the data before you bricked it, just disconnect the usb when the phone shows the charge screen as if you are charging the phone while it is switched off.. (This was discovered accidentally by me so try it at your own risk) After disconnecting try to power on the normal way and it should work and the phone should be like it was never bricked.. If it doesn't boot retry flashing from the start.. If it starts and all your data is restored root it, install titanium backup and backup all your apps and data and save the contents of sdcard\titaniumbackup to your pc.. Then copy all you want in your sdcard to your pc.. Then redo all the steps without disconnecting till the kdz flasher says FINISHED.. This is because if you disconnect the usb in the middle, only half the rom would be installed which is unstable.. After installing the full rom, root it, and install titanium backup and copy all the copied content back to sdcard\titaniumbackup and restore them using titanium backup.. That's it..

Choice 2:
If you do not want the data and if you need to do a risk-free unbrick, then flash with the kdz updater and wait till it says FINISHED.. That's it..

Now that you know how to unbrick it, try installing what bricked your phone again but in the correct way... GOOD LUCK...

PRESS THE THANK BUTTON IF I HELPED YOU...
i install honeybread rom and now it stops on bootanimation what to do please reply fast(((((((((((
The Following 3 Users Say Thank You to incredible007 For This Useful Post: [ Click to Expand ]
 
johnkmoore
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I don't see a 'thank you' button - but thanks! Was about ready to toss the phone. Not sure about shaking the phone but disabling the LGE modem and rebooting a few times seemed to help. THANKS!
 
brberie
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Using KDZ_FW_UPD was able to load the india version:
Color is screwed, whenever screen goes off you need to remove battery to bring it back to life(i think it is screen driver issue). Phone became unrooted! Did not expect this at all. Alright, tried to root it the same way I initially have via GingerBreak 1.2. Doesn't work: spins its wheel forever...
Oathkeeper1212 suggested to do it via adb. The results are here
:http://forum.xda-developers.com/show...200167&page=20
post #191.
Any other ideas?

Thanks.
 
georgetfs
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hello i have a problem i cant unbrick my optimus one p500.first of all sorry for my english,i unpluged the cable went in screen write emergency mode and i cant open my device.i'll try home+power+volume up but nothing,i'll try and kdz_fw_up but nothing again.can you help me please.....
 
3abboud
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Thumbs up Thank you!

You saved my life, I was about to have a terrible heart attack I have broken my phone after trying to make a recovery rom in app with Easy Recovery!
 
beckstar11
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I would like to kiss your feet! Thank you, thank you, thank you! I've had my hardbricking moments but never this... worked like a charm and didn't even have to shake the b!@#$ I would say on a side note, because I tinker a lot I have left the KDZ tool and such installed and easy to find so i'm not trying to find the links and whatnot everytime.. Just food for thought! Thank you again *kiss kiss kiss*
 
ganesh3s3
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Quote:
Originally Posted by beckstar11 View Post
I would like to kiss your feet! Thank you, thank you, thank you! I've had my hardbricking moments but never this... worked like a charm and didn't even have to shake the b!@#$ I would say on a side note, because I tinker a lot I have left the KDZ tool and such installed and easy to find so i'm not trying to find the links and whatnot everytime.. Just food for thought! Thank you again *kiss kiss kiss*
^_^ LOLZ... It's OK.....
 
zoid_99
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I've tried to unbrick my Optimus T a few times without success. I go through the KDZ process but it never completes successfully. It reboots towards the end and gets stuck at the LG prompt.

I think there may be an issue with the USB port as it automatically boots as soon as I plug it in. I never see the charging screen. I plug it up and it goes straight to the LG screen. Is it toast?

Tags
brick, fastboot, optimus, p500, unbrick
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