According to reports from Xperia Blog much rumored and talked, Xperia Yuga is coming up with name of Sony Xperia Z. Its also reported that the phone will also have IP certification for dust and water resistance and a low-reflectivity screen.
Except this it will consist of a 5″ Full HD display (with OptiContrast technology), 12 MP Exmor RS sensor, 2 GB of RAM, a quad-core Snapdragon S4 Pro chipset with LTE radio, and a full suite of ports, including a microSD and microHDMI ones. The final dimensions of the Xperia Z are said to be 139 x 71 x 7.9mm.
We hoping that Xperia Yuga aka Sony Xperia Z will be announced at CES 2013.