Flashing LG Optimus L9 Firmware on windows 7


Flashing Optimus L9 firmware

  1. Connect LG Optimus L9 to PC / Laptop
  2. From windows start button, click run, and type CMD, leave the cmd windows open
  3. Open windows explorer then Go to LG_KDZ_FW-Update_OfflineFix extract folder
  4. Right click on Automatic Offline Procedure.vbs, run as admin
  5. Drag and drop Automatic Offline Procedure.vbs to cmd windows
  6. Run Uptestex_mod2_marwin.exe, for kdz file, select firmware that you already downloadflashing lg optimus l9
  7. Click normal upgrade web testflashing lg optimus l9
  8. Click Clear Phone Software
  9. Select different country
  10. Select language
  11. flashing-lg-optimus-l9-windows-7-3A windows will appear, just wait until device reboot and upgrade the firmware

if b2c file cannot find, then click option b2c client then select upgrade start

TroubleShooting: permission error

  1. go to windows > system32 > drivers > etc
  2. Open host file using notepad and add this script csmg.lgmobile.com csmgdl.lgmobile.com

  3. Run Automatic Offline Procedure script, if an error occure then check if the script is correct
  4. Run windows enabler
  5. Open UpTestEX_mod2_marwin
  6. next you can follow the steps above to flashing

Do With Your Own Risk

Download Support File

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