The Galaxy Nexus was the first smartphone to be shipped with the Android 4.0 operating system. It was developed in cooperation with Samsung and has been available since the beginning of December 2011. The device holds a dual-core processor from the Texas Instruments OMAP 4460 type which clocks at 1.2 GHz. The device has 1 GB RAM. The U.S. received the models with either 16 or 32 gigabytes. The Galaxy Nexus is also the first Android smartphone to completely eliminate hardware buttons on the front.