Mini-tablets may be the most popular announcement at this year’s Mobile World Congress (MWC), but Sony still believes it has a chance at challenging the full-sized iPad. Sony today announced that the Xperia Tablet Z will soon be available throughout …

Sony hasn’t had the greatest track record when it comes to mobile devices. The company’s attempts to compete with Samsung and Google have been disappointing at best. That’s why it was all the more surprising to see Sony finally bring …