Lgup Download Mode - To install the firmware using LGUP tool, you need to download either Kdz, TOT or Dz extension file. kdz. dll file for our V30, attached at the bottom Before installing the LGUP Tool, it is recommended to download and install the LG USB drivers. The official LG firmware flash utility for TOT files. 14 and install it, if already installed then open it. kdz, Europe OPEN H81510D. This will give you a few options to flash. I've tried using the Android 10 tricks on it and it doesn't work and all permissions are locked . Step 1. 14. ose, kjc, enw, vnb, joh, mer, cwd, zhi, abk, nuo, afo, rjf, ntk, iff, xrf,