Sony's upcoming Xperia Z4 tablet made an "accidental" appearance on the Xperia Lounge app, confirming its 2K display. The page in the Xperia Lounge was swiftly taken down, but many websites have managed to grab a screenshot of it, as you see below.

The image of the much-anticipated device appears along with the headline "Discover the Xperia Z4 Tablet by Sony." The tablet ais expcted to debut officially at the upcoming Mobile World Congress, which will be held from Mar. 2 to Mar. 5 in Barcelona, Spain.

The page also confirmed that the Xperia Z4 will come with a 2K display, along with an "ultra-fast processor" and "industry leading battery performance."

The Xperia Z4 is said to be featuring a 5.5-inch QHD display with 1440 x 2560 pixel resolution, and it has been reported that the new device will come with an improved image sensor. It is also said that the Xperia Z4 will feature a 27MP rear-facing camera and a 10MP front-facing camera.

Under the hood we expect a 64-bit quad-core Snapdragon 810 processor that clocks in at 2.8 GHz. Rumors also state that the device will feature an Adreno 430 GPU, 4GB of RAM and an internal memory upgrade from 16GB to 32GB.