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[TUTORIAL] Flash BIN rom, Unbrick, Update - Optimus 3d (Service Flash software)

42 posts
Thanks Meter: 53
By marti701, Member on 1st September 2011, 12:42 PM
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UWAGA!!!!! Przed przystąpieniem do instalacji, należy odinstalować z komputera wszystkie programy i sterowniki LG. Program działa stabilnie, tylko pod WindowsXP

1. Pobierz i zainstaluj
2. Pobierz , rozpakuj i wrzuć plik "LGFlashTool.exe" do C:\LG\LGFlashTool\
3. Pobierz i zainstaluj
4. Pobierz i rozpakuj
a. zainstaluj "LGUnitedMobileDriver_S497CA20_WHQL_ML_Ver_1.0.exe "
b. zainstaluj "LGUnitedMobileDriver_S497MA20_WHQL_ML_Ver_1.0.exe "
5. Wyłącz telefon, wyjmij karte SIM i SD
a. wciśnij w telefonie vol up i trzymaj
b. Trzymając cały czas vol up podłącz USB
c. Komputer wykryje nowy sprzęt "omap4430"
d. Puść vol up
6. Instalacje sterowników należy wykonać, jak na poniższych fotkach








7.Po zainstalowaniu sterowników musimy wejść w menagera urządzeń i zmienić port "LGE CDMA USB SERIAL PORT" na com41. Instrukcja na poniższych fotkach.

b.Tu na fotce jest błąd, tak jak pisałem wyżej port zmieniacie dla LGE CDMA USB SERIAL PORT



8. Uruchamiamy LGFlashTool, Pojawi się okno:

9. W okienku DLL wskazujemy lokalizacje pliku "LGP920_110622.dll"
10.W okienku S/W wskazujemy lokalizacje romu ( UWAGA!!! wskazujemy tylko plik z rozszerzeniem .bin)
Rom BIN_LGP920AT-00-V10b-EUR-XXX-JUN-16-2011 Hébergement de fichiers par un clic:
11.Zaznaczamy USB i klikamy ok.
12.Klikamy na port setting (ikonka wtyczki com)
13.Zaznaczamy jak na poniższej fotce:

14.Klikamy start (W okienku Port 1 powinien pojawić się napis READY)

15. odłaczamy telefon od USB na ok 5 sekund
16. Wciskamy i trzymamy vol up, podlaczamy USB
17. Proces aktualizacji rozpocznie sie automatycznie, gdy to nastapi możemy puścić vol up.
18. Gdy pasek postępu dojdzie do 100%, należy uruchomić telefon przyciskiem POWER.

UWAGA!!! Gdyby proces aktualizacji zatrzymał sie na dłuzej (ok 5 minut) należy, nie odłaczać telefonu od USB, wcisnąć i trzymać vol up + power, do momentu kontynuacji aktualizacji.

WSZYSTKIE DOSTĘPNE ROMY "Thanx to "nasirahmed"


Aby wgrywanie romu programem LGFLASHTOOL przebiegło bez błędów, należy posiadać odpowiedni kabel USB.
Pomiędzy 4, a 5 pin USB Micro-B należy wlutować rezystor 910Kohm.

Proces aktualizacji wykonuje sie tak samo jak w pierwszym poście. Jedyna różnica to punkt 5a,b ; 16 PODCZAS PODŁACZNIA KABLA USB NIE WCISKAMY ŻADNEGO PRZYCISKU!!!!!!

Podczas aktualizacji na telefonie powinien pojawić sie ekran:

Osoby którym telefon zablokowal się na ekranie:

Po wykonaniu wgrywania romu, nastąpi restart telefonu. Ponownie pojawi sie w/w ekran aktualizacji (kabel usb musi być cały czas podlączony do komputera i telefonu, a LGFLASH TOOL uruchomiony)
Należy czekać, aż pojawi sie w telefonie info o błędzie aktualizacji OTA. Telefon się ponownie zrestartuje i nastapi jego uruchomienie.
Testowane na moim O3D
Last edited by marti701; 30th June 2012 at 09:24 AM.
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1st September 2011, 02:38 PM |#2  
adixtra's Avatar
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Thanks Meter: 351

Read the update at the bottom
(18 SEPTEMBER 2011)

NOTE !!!!!

Before installation, uninstall all LG's programs and drivers from your computer.

Tested on Windows XP.

Download all these files.

All in one link (THx for The Dark Lestat) :


Thread with Optimus 3d Roms in *.bin format. to nasirahmed

1.Extract "" and Install.

2.Extract "" and put "LGFlashTool.exe" to location where you installed "" (default: C:\LG\LGFlashTool\)

3.Extract and Install "OMAPFlashInstaller-4.10(2).zip"

4.Exract "LGUnitedModemDriver_WHQL_ML_Ver_4.9.7_All_Win7_LG" and Install "LGUnitedMobileDriver_S497CA20_WHQL_ML_Ver_1.0 .exe " and "LGUnitedMobileDriver_S497MA20_WHQL_ML_Ver_1.0 .exe "

5.Turn Off phone, Remove your phone's SIM and SD cards.

6.Press and hold voll up button in phone.

7.When u holding "voll up button" connect the USB cable.

8.When computer detects the new hardware (Omap4430) release "voll up button".

9.Driver Installation:








10.After Driver installation, go to device manager and change the port "LGE CDMA USB SERIAL PORT" to "com41".


b.As I wrote above, you must change the port for "LGE CDMA USB SERIAL PORT" not for "LGE Mobile USB serial port" as pictured.



11.Run LGFlashTool.

12.In DLL select file for p920 or p920h ( from here"

13.In S/W select only *.bin file from downloaded rom.

14. Choice (Check) "USB" and click OK.

15. Click on Port COM settings(COM plug icon)

16.Check as on photos.



17. Click start(The Port 1 window should appear READY).

18. Disconnects USB cable and wait 5 seconds.

19. Press and hold voll up button in phone and connect USB cable.

20. The update process will begin automatically after that release the "vol up".

21.When the progress bar reaches 100%, Power ON the phone.


If the update process has stopped for a longer time (about 5 minutes) not disconnect the phone from USB, , press and hold Vol Up + Power and wait when update process resume.

You do this on your own risk!

Jeśli widzicie błędy, piszcie.


To flashing rom with LGFLASHTOOL without errors you need right USB cable.
Between 4 and 5 pin you have to solder resistor 910 Kohm.

The update process is the same ,but u don't need press any button when connect USB cable to phone.

Phone screen during update

This fix update screen isue

After flashing the phone will restart.

Update screen appears again(don't disconnect usb cable from phone and don't close LGDLASHTOOL)
Please wait until you see the info about error of OTA update.
After that the phone rebots and power On automaticaly.

Thanx to Marti701
Last edited by adixtra; 7th December 2012 at 06:36 PM. Reason: Add link to LGFlashTool 1.2 and updated links
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1st September 2011, 03:11 PM |#3  
OP Member
Thanks Meter: 53
All Posts Have to Be in English if you do not use English Use Google to Translate
Last edited by lufc; 3rd September 2011 at 05:55 PM.
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1st September 2011, 03:56 PM |#4  
Senior Member
Flag Örebro
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Thanks, does this fix the update screen issue?

I would try it myself but my phone is already on service for this reason.
Last edited by m33ts4k0z; 1st September 2011 at 04:27 PM.
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1st September 2011, 04:29 PM |#5  
Senior Member
Thanks Meter: 8
Yes it should fix udpate screen issue as CWM loop and other situations when rom doesn't boot.
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1st September 2011, 04:33 PM |#6  
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thanks. im on the process now, 22%
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1st September 2011, 04:38 PM |#7  
adixtra's Avatar
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Write, when u finish. Everything going well??
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1st September 2011, 04:42 PM |#8  
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well, flashed and it was successfull, but still my problems occurs still my batterry is 0% . =C
1st September 2011, 05:58 PM |#9  
Junior Member
Thanks Meter: 0
Originally Posted by isaias19

well, flashed and it was successfull, but still my problems occurs still my batterry is 0% . =C

Has anything changed?

I have the same problem, I will try and see if it works for me! Thanks!
1st September 2011, 07:35 PM |#10  
P_U_A_John's Avatar
Senior Member
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The procedure offers more than the flash KDZ​​?

Should be checked two questions:
Those who have the battery problem is still there?
Those who are stuck on the screen update is released with this solution?

Otherwise, I think this thread should be in developement.
1st September 2011, 08:05 PM |#11  
Senior Member
Flag Larnaca, Cyprus
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Im stuck on lg update screen and I will try this method since KDZ method failed.
I will try it tomorrow since i dont have xp mashine now. I will report tomorrow

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