There are intentional and unintentional leaks. Sony made an unintentional preview of its upcoming tablet through their Xperia Lounge application. They have since pulled the announcement through the app but people have already caught a glimpse of the upcoming device. Based on the listing, the Xperia Z4 Tablet have a 2K display, ultra-fast performance, industry-leading battery life, and a lightweight design. A date seen on the listing mentioned March 3, which is happening in the middle of Mobile World Congress in Barcelona. We just have to wait a bit more to see the new tablet officially.
Source: Xperia Blog | Via: Droid Life