how to install cmw on lg g2 ls980?

Helllo guys.....
I own a lg g2 ls980...running android 4.4.2 zvd
I rooted my device with....ioroot method...but i can not find specific way to install cmw recovery.actually..i am stuck on zvd version.....because in my mob there is no system update icon/option....so the only way is left to get update through cmw recovery....now?please guide me...how to install cmw ....and install lollipop or kitkat 4.4.4...i already tried. This method
But not worked...http://forum.xda-developers.com/spri...c-zve-t2912488

ls980 no 3g no access point

I have phone which fully working on gsm network but there is no 3g network even there is no access point option to add apn manully