A new 5.2-inch Sony Smartphone was going through benchmark tests; this seems to be you are going to get the next smartphone soon. As Xperia Z3 was also a same size smartphone, this newly tested device could be the Xperia Z4. GFXBench and Geekbench were the benchmark test areas of the upcoming device.
Both of the benchmarks have reported the device’s model number and other features. Carrying out E2303 model number, this device is running the latest Android 5.0 Lollipop update. In addition, an octa-core, 64-bit Snapdragon 615 processor is powering the device with 4 GB internal memory only. Like other Sony smartphones, it also has 2 GB of Ram with 5.2” display and 720 x 1280 pixels of resolution.
This could not be the Xperia Z4 because the features look like this is for a mid-range smartphone after Xperia C3 that also has 5MP rear camera and 2MP front camera.
Sony may not announce and show the new upcoming Sony Xperia Z4 on the upcoming MWC 2015. In fact, the leading mobile brand could introduce the new and mysterious E2303 device.