According to some sources that sony will be release the new upcoming walkman phone on Q1 200. But they do not mention about the phone name and price they only mention about the features that you can see below:
* Slider form factor;
* Compact metal housing;
* 2.6″ display;
* Wi-Fi connectivity;
* 8.1 megapixel camera with auto-focus;
* Face detection, photo-flash;
* QVGA video recording at 30 fps;
* Walkman 4.0 player;
* Standard 3.5mm audio jack;
* Stereo speakers;
* Dedicated music player keys