The LG Nitro HD is the US version of the LG Optimus LTE. It is available on the AT&T Wireless network as of December of 2011. It was the first smartphone on AT&T to feature a 720p screen resolution. The Nitro HD has a 1.5 GHz dual-core Snapdragon processor. Android 2.3.5 Gingerbread is available out of the box, and the phone can be upgraded to Android 4.0 Ice Cream Sandwich. The LG Nitro HD comes with a 1,830 mAh battery.