Android 4.4.2 update

Hi, I have a question for android update from version 4.4.2 to 5.0.2. I have the LG G2 version of the Sprint network.
Information about phone software version:
Build number: KOT49l.LS980ZVC
Software version LS980ZVC.

I found a video on youtube showing a similar update, but it is in Spanish and do not really understand all the instructions for installation.


I would ask for step-by-step how I update my LG LS980 to Android 5.0 Lollipop.