PhoneArena reviews the LG Optimus Black. The LG Optimus Black captured our attention right out of the box with its thin waistline measuring a mere 9.2 millimeters making it officially one of the thinnest Android devices we have ever come across. Furthermore, the beautiful 4-inch NOVA display has already impressed us with its unprecedented brightness of up to 700 nits… For more details, check out our web site: http://www.phonearena.com