If you want LG G2 for Android 4.4 KitKat , must wait until March 2014

The Korean company told Mobile Syrup that the new version of Google's operating system will begin hitting Canadian networks sometime during March 2014.
While the representative failed to mention US and UK networks it seems reasonable that we could expect the update around the same time, if not a little sooner.
Currently the highly-rated G2 remains on Android 4.2.2 Jelly Bean, so fans of the uniquely designed handset will be hoping for a finger or two of KitKat as soon as possible.
Opinion splitter

The handset arrived in the UK last month, following its launch in August, packing a full HD 1080p 5.2-inch display with a pixel resolution of 424ppi.
It's also got plenty of power, thanks to a with a 2.26GHz quad-core Qualcomm Snapdragon 800 CPU and 2GB of RAM.
Source : TechRadar