I am using the kdz file around 960 MB. Some users says use less than 1GB kdz file will remove the error.
Extract the ZIP file and open the unzipped folder.
But while trying to flash high-end quad-core LG phones with KDZ Updater, you will be stuck at “extract file error” while KDZ Updater tries to extract the necessary files. For flashing these > 1.2 GB KDZ files, you need to adapt a different approach as mentioned below
A/To extract *.KDZ file into *.fls and *.bin .
Extracting KDZ file. Download and extract KDZExtract. Copy *.kdz file that you want to extract to same folder with LGExtract.exe. Open command windows then type this.
Extractor of LG KDZ firmware archives. The feature is : Extract KDZ. Extract DZ. Merge System file from DZ. Add KDZ header by your self in Customize section. Extract TOT. Merge Partition file.
Fixed kdz extract error! location: androidpark.com - date: October 24, 2013 IM NOT RESPONSIBLE IF U BRICK UR DEVICE.
Fixed kdz extract error ... www.linuxine.com Oct 25, 2013 ... We'LL here is the new lg flashtool used for newer phone like lg G2 which has greater than 1GB kdz file!
The file you were looking for could not be found, sorry for any inconvenience. Possible causes of this error could be
1.keep kdz file and LGExtract in same folder and follow the steps from video.