[Upgrading, Modifying and Unlocking] alamatnitotoy:
:highfive:Hi guys, because of the lack of support for our phone, I wanted to create a unified thread for all Optimus EX SU880.

this thread aims to help all users to flash, upgrade or unbricked their phone.

disclaimer:

I am not a developer but just a mere user of SU880 so i am just collating all information i can gather to help us understand our device more further.

so before doing something posted on this thread, please make sure that you do your own back up because I will not be held responsible if you bricked or damage your phone.

Downloads:

V20c Firmware

V19c Firmware

APX Driver

Bootloader installer for V19c

CWM for V19c

Xrecovery For V19c

Root For V19c

ROOT for V20c

LG USB driver

KDZ_FW_UPD_EN.7z

Smart Flash

Rom Converter

Words you might encounter

1.KDZ = File extension for firmware

2.APX mode aka NVflash = utility where you can flash bios for devices that has nvidia card

3.SOFTWARE UPGRADE mode aka S/W = mode where you can flash a firmware normally

For V19c

Things to do:

1.enable USB debugging

2.back up your files (in case of fire =p )

Upgrading to Stock ROM

Step 1.

>Plug your device via USB cable

>Enable USB debugging and Install the LG united Driver

Step 2.

>Run Rom converter and Extract the Content of your KDZ file

>The tool will asked you about integrated tool ClockworkMod select No and press Enter

>It will extract 3 files but whats important are the SU880_ap.Bin and SU880_cp.fls (take note of the location of the file) then close the RomConverter

>Open SmartFlash and click on the tab ROM copy D/L

>Select the 2 files that you extracted earlier (CP bin for the CP file / AP bin for the AP file)

>tick on normal mode

Step 3.

>Enter S/W mode on your phone

>Power OFF the phone

>Hold the Volume down(-) then Plug the USB cable

>Wait until the SmartFlash Detect the COM port and the Communication driver

>Click the Start button on the SmartFlash tool

>Wait until it says Complete then Reboot your phone by Remove/Insert the battery then press the power button

Rooting V19c stock ROM

>Unplug USB cable

>enable USB debugging mode then Plug back the USB

>Download Root for V19c above

>extract the content to a folder and run ROOT.bat

>press 1 under CMD and select Data Restore on your phone screen

>your Phone will restart

>Turn ON your Phone and you will receive a message from the command prompt that the root is successful

>to verify, you can look for a new ICON (android with a red cape flying)

For V20cc

Things to do:

1.enable USB debugging

2.back up your files (in case of fire =p )

Upgrading to Stock ROM

Step 1.

>Plug your device via USB cable

>Enable USB debugging and Install the LG united Driver

Step 2.

>Enter S/W mode on your phone

>Power OFF the phone

>Hold the Volume down(-) then Plug the USB cable (wait until the computer install the drivers)

>Download the v20c KDZ file

>Run KDZ_FW_UPD and select the V20c KDZ file that you have downloaded

>Select Type: 3GQCT Phonemode: DIAG

>Click Launch Software Update

>Let the application Run until it says finish

>Wait until it says Complete then Reboot your phone by Remove/Insert the battery then press the power button

Note:

**Some user encounter error when using The KDZ Updater (crash / freeze / hang)

**try running the KDZ Updater via Administrator / Go back to Win 7 default theme (not aero) /use Windows XP as an alternative.

Rooting V20c stock ROM

Step 1.

>Unplug USB cable

>enable USB debugging mode then Plug back the USB

>Download Root for V20c above and extract

Step 2.

>Enter APX mode

>Download and install the APX driver above

>remove battery, mmc card and Sim

>phone PIN code

>Hold Both Volume rocker (-) (+) while plugging the USB cable

>Run Start_rooting.bat File and press enter under Command prompt.

>after the CMD finished loading the bootloader

>unplug USB cable and insert the battery back

>Turn on the device normally

>plug the USB cable back

>press enter agan on the command prompt windows t finish the rooting

>wait until it shows root finished

THanks,

That's it for now, but if you have any other question, Just feel free to ask.

and by the way, some of the tools are program using different language so please just bear with them.

One thing that i can promise you is my Phone is unbrickable. =)

Extra:

1.Disable SMS limit

>download Root explorer from the market or you can look for other free app that can enter you root directory

>Download Handcent/ GO sms

>open root explorer then Navigate to >Etc folder>Featuredset.xml>look for Max_user_data, Limit_user_data , Max_user_data and change it your countries preferred value.

Hit "thanks" for the effort =)