How to Fix LG Flashtool problem when it stops at 4% while flash KDZ firmware

If you run into a problem where LG Flashtool will stop working after installing 4% of the firmware, then here’s a fix just for you. This problem basically arises when there is not a proper .dll file located in certain folder. To fix this, check the guide below.

The fix is confirmed to work on Windows 7 64-bit system, while it didn’t work out on Windows 8 64-bit system. You can try on your own Windows system and let us know how it works out for you.

Fix LG Flashtool 4% Install stuck problem

  • Download the file wx.rar
  • Extract it using 7-zip software to get wx.dll file
  • Copy the wx.dll file
  • Now, go to this folder: C:ProgramDataLGMOBILEAXPhone
  • Paste the wx.dll file in the phone folder
  • Now, try installing the KDX firmware using the LGFlashTool2014. It should work fine on Windows 7 64-bit systems.

Do let us know whether it solves the problem for you.

Kapil still loves his Galaxy S2 i9100! No, really. And Galaxy Nexus! Need we say more what kind of guy he is? And he's also a die-hard Liverpool FC fan. Email: kapil@theandroidsoul.com
  • hamid

    which folder we have paste wx.dll

    • Sandy

      hey…have u fixed it?
      even i didn`t also getting location…to paste .dll file

  • Matt P

    Didnt work on win10 64bit 🙁

  • khan

    Did not work on windows 10 x64

  • Osman

    Not worked…

  • Vini

    dont work in windows 7 64…

  • adamjameswebb

    does not work on window 10 x64