Root LG VU II rom version 4.4.2 v30f : 1. Download Towelroot v2.apk and Towelroot v3.apk ; 2. Install Towelroot v2.apk and Open it, press button "make it ra1n", Exit it. ; 3. Install Towelroot v3.apk and Open, press button "make it ra1n". ; 4. Your phone rooted. P/s : Don't reboot your phone, it's no root SORRY for bad English