HTC today provided more details via its Facebook page on when it will update its existing smartphones to Android 4.0 Ice Cream Sandwich. The first batch includes the Sensation, Sensation 4G and Sensation XE by the end of March, with the Sensation XL soon after. HTC says that owners of the Rezound, Vivid, Amaze 4G, EVO 3D, EVO Design 4G, Incredible S, Desire S, and Desire HD will receive Android 4.0 later this year. HTC will provide more specific details about the upgrades in the coming weeks.