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[HOW-TO][FLASH KDZ] "OPTIMUS 3D" debrand/update/downgrade/stuck at LG logo

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P_U_A_John
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(Last edited by P_U_A_John; 15th August 2011 at 02:22 PM.)
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Angry [HOW-TO][FLASH KDZ] "OPTIMUS 3D" debrand/update/downgrade/stuck at LG logo

DEBRAND/UPDATE/DOWNGRADE:

Without any data-loss!

After the debrand/update/downgrade ready.
Attention to root again, reboot and reflash Clockworksmod 4.0.0.9 before trying recoverymod.
Otherwise it will be a factory reset.


This is what you need:

-The kdz: V10D_00.kdz or V10B_00.kdz (for downgrade) http://forum.xda-developers.com/show....php?t=1155874
-KDZ_FW_UPD_EN: http://forum.xda-developers.com/show...05&postcount=1
-LG B2CAppSetup: http://csmg.lgmobile.com:9002/client...2CAppSetup.exe
-Driver LGP920: http://www.multiupload.com/820UL7SM7D
-Your LG P920

Only for windows xp 32bit SP3.

I) Install B2CAppSetup.exe
II) Install LGUnitedMobileDriver_S4981MAN32AP22_ML_WHQL_Ver_3. 2.1.exe
III) Unpack the KDZ_FW_UPD_EN.7z and install the msxml.msi

1) Start LG Mobile update
2) Power off your phone without USB cable
3) Connect the USB cable and wait for the LG logo and the annimation battery
4) Pressing Vol.up + power 6-7 seconde wait for the LG logo and The screen turns off
5) Again pressing Vol.up + power 6-7 seconde and wait until the drivers are installed (LG Mobile update detects your phone and the screen is always off)
-If this is the first time the driver install redone item 5).
6) Open your Device Manager and deactivate the "LGE Mobile USB Modem" in the modem section
7) Start KDZ_FW_UPD.exe
8) Select "Type:3GQCT" "PhoneMode: CS_EMERGENCY"
9) Now select at "KDZ file" V10D_00.kdz (for update) or V10B_00.kdz (for downgrade)
10) And klick "Launch software update"
11) Let the tool run. Don't klick it, even the Window sais that it's not responding! (The Log can be ignored, especially the missing dll messages)
12a) For downgrade V10B_00.kdz Wait till your phone reboots
12b) For update V10D_00.kdz Wait This log:
14:37:21 : CDMA: wParam = 2004, lParam = 99
14:37:21 : Model Dll Msg Not Found(2004, 99)
14:37:23 : CDMA: wParam = 2004, lParam = 100
14:37:23 : Model Dll Msg Not Found(2004, 100)
14:37:23 : CDMA: wParam = 2001, lParam = 0
14:37:23 : Model Dll Msg Not Found(2001, 0)

-Wait until your HDD activity stops
-Exit KDZ_FW_UPD
-Disconnects USB cable
-Power on your phone.

Check your version in "setting""About phone"
ENJOY!

STUCK AT LG LOGO:

with factory reset!

1) Start LG Mobile update
2) Power off your phone without USB cable
3) Connect the USB cable and wait for the LG logo and the annimation battery
4) Pressing Vol.up + power 6-7 seconde wait for the LG logo and The screen turns off
5) Again pressing Vol.up + power 6-7 seconde and wait until the drivers are installed (LG Mobile update detects your phone and the screen is always off)
-If this is the first time the driver install redone the item 5).
6) Click on User/Support then emergency mode, insert your IMEI and click on check
7) Wait for download and upgrading (15/20 min)

PS:If you have lost the root:
Root again with 1.9.5 SuperOneClick

You do this on your own risk! If you brick your phone it is your problem!
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P_U_A_John
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(Last edited by P_U_A_John; 27th July 2011 at 10:08 PM.)
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Fab985
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Nice work thanks, i'll try soon
WaterBear ROM Project


  • Samsung Galaxy S III
  • HTC EVO 3D
  • HTC Desire S
  • Sony Ericsson x10 mini
  • [Discontinued]LG Optimus 3D
  • [Discontinued] HTC HD2 (WM + WP7 + Android SD)
  • [Discontinued] HTC Pro 2

ITALIAN SUPPORT ON HDBLOG.IT
 
deifel
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Thanks a lot for your work.
2 hours ago I send my phone to repair.... Oh man
Next time please tell me this earlier
But no problem - so in future all O3d users can be sure to have a good method to go back / reset the phone.
And I have no fear to put again clockworkmod etc. on my phone when its back...

Thanks and greez
 
Jabbypants
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Is it worth doing this when I am already using the rom you did with clockwork mod with this update on.
 
P_U_A_John
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P_U_A_John
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wuper
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thanks for the info but does not work with clockwork installed and update over phone and stuck at firmware updating screen people.. after 5 minutes waiting and exiting kdz updater it still got stuck at fw updating screen after lg logo
 
P_U_A_John
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danbst
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(Last edited by danbst; 26th July 2011 at 02:20 PM.)
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Not working here mate,
Followed steps to the letter. Software update (kdz) not responding. Window still open that says
MOD UptestEX MFC Application has stopped working.

I haven't closed the window, underneath Software update log is stuck on Unpacking KDZ... that was 20 mins ago.


What do you think mate? All run as admin all drivers installed, Modem disabled etc. Should I terminate the UpTestEX window do you think?

Not sure what sort of state my phone is in at the moment behind the scenes.

What a game eh?

edit***

Terminated updater and phone rebooted O.K..... still on old fw and rooted so not touched I guess?

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