Guidelines for LG G2 KDZ in some cases soft brick, can not KDZ in Post # 2 ways.
Or when KDZ stopped at 5%, 15%, did not finish the KDZ.
Or go KDZ KDZ has repeatedly been bootloop (hang LOGO).
You follow the instructions in # 2 of this thread:
M?i th? v? LG G2: root, recovery, kdz, c?u soft brick - Ch? dành cho 4.2.2 | C?ng ??ng LG Vi?t
However in step 4, you selected as in this figure will succeed.
Basically, you do not choose the Type is 3GQT which college to choose CDMA, Flash Tools will then add a button is "web CSE upgrade test". Click the button to run the original firmware offline.
Good luck!