Found this news on androidcentral!!! Seems we are close to OTA
http://www.androidcentral.com/t-mobile-lg-g2-and-lg-g3-lollipop-update-moves-t-mobile-testing
http://www.androidcentral.com/t-mobile-lg-g2-and-lg-g3-lollipop-update-moves-t-mobile-testing