Filed Under (LG Android Phones, LG Cell Phone Software, LG Optimus Series) by lg-phones on 24-04-2013

It is what you have been excitedly waiting for, man! The stock rooted / CWM installed V20B kdz firmware / rom is now available for download, and info on how to flash into LG Optimus L7. Always remember do the full backup before flashing, so that you can revert it back once encountered some issues when flashing.


  • V20B
  • Jelly Bean V-4.1.2


  • ROOT
  • Recovery ClockWorkMod
  • Stock ROM


  • Google maps
  • Gmail
  • Gtalk
  • Google Street
  • Polaris Office
  • Language Polish

Stock Rooted LG Optimus L7 Jelly Bean V20B Firmware / Rom Download

Stock Rooted V20a Firmware:

How to Flash LG Optimus L7 with a kdz file Steps:

  1. Download and install the usb driver
  2. Download and extract KDZ_FW_UPD_EN.zip
  3. Launch the program KDZ_FW_UPD.exe
  4. * For an update (Does not delete anything)
    – We connect the phone to PC mode Software LG or PC Suit
    * For a clean installation (It will erase everything, factory reset)
    – Remove the battery to the L7 and while holding the key Vol+ connect the USB to the PC
  5. Type: 3GQCT, PhoneMode: DIAG
  6. Find the ROM XXX_00.kdz
  7. Finally click Launch software update
  8. Enjoy

LG Optimus L7 Phone Photos – LG Cell Phone Pictures



LG Cell Phone – Related Posts


Billy on 30 April, 2013 at 5:30 pm #

I just did and it works on my L7, thanks…

Michael on 27 August, 2013 at 8:20 am #

The v20B firmware download link is dead.

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