Sprint announced that it will start pushing Android 4.0 Ice Cream Sandwich to the Samsung Nexus S 4G starting today. The update will be delivered in waves over the course of the next month. It can be downloaded over-the-air and installed without plugging in to a computer. Android 4.0 will bring a significant number of new features and tools to the Nexus S 4G. Users will be notified when their device is ready for the update.