An 8.1-megapixel sensor with 720p HD video recording capabilities and an LED flash.
The Xperia X7 was intended to be Sony Ericsson’s flagship entry into the ecosystem. At a time when the brand was transitioning from Windows Mobile to Android, the X7 represented a high-performance alternative that ultimately remained a concept or a prototype. Rumored Key Specifications Sony Ericsson Xperia X7 Review
It was built to run Windows Phone 7 , featuring the then-new "tiles" interface. Why It Matters Today Sony Ericsson Xperia X7 Review
The is a unique piece of mobile history—primarily because it never officially hit the market. Most of what we know comes from a series of high-profile leaks and promotional videos that surfaced around November 2010 . The Smartphone That Never Was Sony Ericsson Xperia X7 Review