The Lumia 330 is rumored to be the next entry-level smartphone from Microsoft featuring the latest version of Windows Phone 8.1 OS. In size, it will measure 118.1mm x 64.7mm. The Lumia 330 will feature a 4-inch WVGA display with resolution of 800 x 480 pixels. Rest of the specifications are still unknown but Microsoft is expected to launch Lumia 330 in the coming months. Stay tuned for more updates.