Sony today quietly unveiled the successor smartphone to the Xperia S, the Xperia SL. The SL features a dual-core 1.7 GHz processor, a 4.3-inch display at 1280 x 720 resolution, a 12.1-megapixel rear-facing camera, and Android OS 4.0 (a.k.a. "Ice Cream Sandwich"). The Xperia SL comes in silver, white, black, and pink varieties. At this time, no availability or pricing information is available as only a "coming soon" label is on Sony's website.