LG Viper LS840 is the first Android Smartphone with LTE connectivity made for Sprint USA users from the house of Korean ICT Giant LG. Though, 4G LTE not available in all USA regions and Wi-Fi hotspot only connect upto 5 devices (additional fee applies), but, it's a good comeback for Sprint to the business.
Nowadays every technology companies are going through eco-friendly evolution and LG Viper LS840 also not apart from this. It's body (casing) made out with 50% of recycled plastic material and for packaging they've used up to 87% of recycled paper and soy ink. It has been certified by ULE and Carbonfund.org for being an eco-friendly products.