Hi Guys, I know that there are other threads but i want create this to show you how to Flash LG Quantum C900. This method is the simplest way to do it.
Thanks to nasirahmed
Caution: Shall not be liable for any resulting damage to your phone! Everything you do at your own risk! LG Windows Phone 7
How to flash LG Quantum C900 Steps:
1. Download LGDP2 V36 UMTS Setup and extract, go to LGDP2_31_INCLUDE_LGDP1_Setup folder and install the exe (use serial number). Now copy all the files from DOWNLOAD folder and paste on C:\DOWNLOAD (overwrite if needed).
2. Install LG United Modem Driver, connect the phone to PC through USB cable and let the drivers to be installed. USB 1.1 is recommended.
3. You’ll need firmware in DZ format (you can download it from here) and the correct DLL for your model.
4. Open LGDP2_V36_UMTS from C:\DOWNLOAD, select UMTS in Division and click OK.
5. Select port (check Device Manager for LG USBModem Port number), you can set a range from easy select or select manually. Select DLL and select firmware in Download Configuration. Click OK.
6. Click START in main window and connect the phone to USB cable in Emergency download mode(VOL+CAM+PWR).
Now you have the firmware you want! If you have problems with one of this steps post it in this thread I will try help you! LG Phone Problem and Solution
LG Quantum C900 Phone Photos - LG Cell Phone Pictures

Following is the method to tell you how to enter into LG Quantum C900 Emergency Download Mode, this mode will help you to connect your LG Quantum C900 to your computer and use flashing tools (e.g. LGDMP) to restore or change your firmware. I am pretty sure it can get your phone working again if it is bricked. Good luck. LG Phone Problem and Solution
How to enter into LG Quantum C900 Emergency Download Mode Steps:
Caution: Remember to backup your files before flashing. This will erase all of your personal data. LG Windows Phone 7
LG Quantum C900 Phone Photos - LG Cell Phone Pictures

Following is the method to tell you how to enter into LG Optimus 7 Emergency Download Mode, this mode will help you to connect your LG Optimus 7 to your computer and use flashing tools (e.g. LGDMP) to restore or change your firmware. I am pretty sure it can get your phone working again if it is bricked. Good luck. LG Phone Problem and Solution
How to enter into LG Optimus 7 Emergency Download Mode Steps:
Caution: Remember to backup your files before flashing. This will erase all of your personal data. LG-Optimus info
LG Optimus 7 Phone Photos - LG Cell Phone Pictures
