Stock Rooted LG Optimus L7 Jelly Bean V20A Firmware / Rom

It is what you have been excitedly waiting for, man! The stock rooted / bootload unlocked / CWM installed V20A 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.


  • V20A
  • Jelly Bean V-4.1.2
  • kernel v-3.4.0


  • ROOT
  • Recovery ClockWorkMod
  • Unlocked Bootloader
  • Stock ROM

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

  1. Download and install the usb driver
  2. Download and extract
  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

Stock Rooted LG Optimus L7 Jelly Bean V20A Firmware/Rom Download

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10 thoughts on “Stock Rooted LG Optimus L7 Jelly Bean V20A Firmware / Rom”

  1. Yes ,everything works even better than ICS, smoother also , stock camera app didn’t work for me but then I installed Camera MX from Play Store and now works perfectly, and mine is P705, it has the NFC buttons but it doesn’t function as it doesn’t have the NFC antenna as the P700.

  2. Thanks a lot. It works great. I had the non-rooted version of the ROM and now thanks to this it’s rooted.

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