How to Root+TWRP LG G3 (D855) V30n Firmware and Install Latest Cyanogenmod

* YOUR WARRANTY IS NOW VOID.

* I AM NOT RESPONSIBLE FOR BRICKED DEVICES, DEAD SD CARDS,

* DO SOME RESEARCH IF YOU HAVE ANY CONCERNS ABOUT FEATURES INCLUDED IN THIS ROM

* BEFORE FLASHING IT! YOU ARE CHOOSING TO MAKE THESE MODIFICATIONS,

1- LG Flash Tool 2014

2- D85530B_00_1217.kdz (V30b)

3- Kingroot V5 (Root)

4- AutoRec MM (TWRP)

5- Download All in One.rar

6- Download Cyanogenmod

1. You must switch off the device to start the process.
2. Then press and hold the “Volume Up” and connect the USB cable from phone to PC.
3. Use the original USB cable. Because, other device’s cable may not be detected in the Computer.
4. Wait for the driver installation on PC.
5. Then you will get the download mode screen in your phone.
6. On PC start LG Flash Tool 2014
7. Choose D85530B_00_1217.kdz press Normal Flash-start-ok.
8. When it is compeleted, start your phone and install Kingroot V5 (get Root)
9. Install AutoRec MM for TWRP, phoone will reboot to TWRP mode (make WIPE!), now you can choose and install Cyanogenmod.

10. Install Gapps (ARM > 7.1 > pico or Aroma)

11. Reboot to System, all done!
12. Have a nice Day 

If you need any help, just ask!