Flash Optimus One (P500H) KDZ Firmwre

Procedure to update LG Optimus One P500(h)

1. Preparing the firmware
2. Preparing KDZ Update Tools
3. Enter phone in the Emergency Mode, you can do by pressing the Volume Up key + Pressing the Back Key and holding these both you need to turn ON the device with the help of Power button.
4. Connect the phone to computer using the USB cable 
5. Run the file “KDZ_FW_UPD.exe” and then select “3GQCT” and then after that “DIAG”

6.  Select the “KDZ File” by clicking on the “Folder” shaped symbol and then choose the file which you downloaded in the first step which is named as “V20B_00.kdz”
7.  Launch software update

KDZ - Download