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.

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  • 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