[LG Optimus 3D] GrMo Hady:
The complete solution to repair dead boot and unbrick and update & root LG P920 O3D to Android 4.0.4 without any problems with the official Rom ICS{ all fix}full 3D and camera work perfect all the most languages support.

Before anything make sure that all LG Drivers and everything Installed and run under Windows 7 ultimate and disable user account control settings don't run under Windows 8

LG Drivers https://docs.google.com/file/d/0Bwirw62bfRfebUNQNjJzUHlNbHM/edit?usp=sharing

First, download the following files:

1- flash fastboot and Replace the original boot and download mode http://www.mediafire.com/download/b...for_optimus-v1.22+modified+by+XcachorroX®.rar

or

https://drive.google.com/file/d/0Bwirw62bfRfeY2hsY3JRTDIybTQ/edit?usp=sharing

2- download Rom https://drive.google.com/file/d/0Bwirw62bfRfeM0dXbUVpcmNUOEU/edit?usp=sharing

3- download SmartFlashTool-3D to flash rom by fls and bin file https://docs.google.com/file/d/0Bwirw62bfRfeY0hKNjlqZFRSdUU/edit?usp=sharing

Second

Instructions:

After downloading the files previous

1- flash fastboot and Replace the original boot and download mode Until the fastboot is the basic boot for device.

Connect phone without battery,phone detect OMAP4430 {device manager}

Install driver omap "inside folder have drivers"(omap4boot-for_optimus-v1.22 modified by XcachorroX®\usb_drv_windows) by select update driver then select browse my computer for driver {install driver Manual}View attachment 2067365

After driver installation ends remove usb cable

Run start_fastboot.bat and select option 2

Pull out battery

when is waiting for omap44 connect usb cable to your phone he start .

then insert battery to your phone when is waiting5 Seconds and follow the instructions on screen after this you see logo LG Gray in phone and He asks you entered fastboot Answer no and accept to flash and Replace the x-loader and u-boot source then inter to download mood and flash .

If the LG COSMO appears in device manager install driver for her by select update driver then select browse my computer for driver {install driver Manual} and select Install driver from "inside folder have drivers"(omap4boot-for_optimus-v1.22 modified by XcachorroX®\usb_drv_windows) then try again step 2 flash fastboot .

Another method to flash fastboot {Flash Wkpark boot loader +cwm normal recovery } use this tool and and follow the instructions on the screen https://docs.google.com/file/d/0Bwirw62bfRfeUWw0QU5jRVV4UlU/edit?usp=sharing

A Small Guide if Anyone has troubles installing Omap4430 Driver in Windows 7

2-flash Rom:

Connect phone usb with pc and Enter in download modeView attachment 2067367

Enter in download mode : Pull out battery then Hold Vol+ then connect usb cable to your phone then insert battery to your phone with Hold Vol+ .

run SmartFlashTool-3D and select mode Rom copy D/L and in destination binary file select CP.fls file in CP bin and select AP.bin file in AP bin from extract rom folder Then press Start .

After flash rom If the screen appears encryption unsuccessful

Make hard reset for phone by turn off phone then press hold down volume and power button and Make hard reset for phone.then restart phone.

Root:

Follow this method http://xdaforums.com/showthread.php?t=2366916

1. Download This Drives and Install Them Both

2. Download This Root and Than Extract The Zip and Install The Root Program

3-A. In Your Phone Go To Settings -- Security And Enable Unknown sources

3-B. In Your Phone Go To Settings -- Developer options And Enable USB debugging

4. Connect your Phone To PC using Cable and Than Open The Root Program and Wait until u see your Device Name.

5. Your Phone Well Auto Reboot after Complete

6. Done :D

Install CWM & TRWP recovery mood :

install this as normal application and run after root your phone

https://docs.google.com/file/d/0Bwirw62bfRfeb2JPbEhKTXQ2OEE/edit?usp=sharing

FM Radio:

https://docs.google.com/file/d/0Bwirw62bfRfeX1BMWGFvMDVzSEk/edit?usp=sharing

extract then put FM Radio for ics 4.0.4 Lgp920.zip in external sd card then flash it by inter cwm mood recovery then choose install from sdcard then choose zip from sdcard then choose FM Radio for ics 4.0.4 Lgp920.zip

that's all after root phone and install cwm mood recovery.

Thank you for all

have a nice time