The qualities of mobile phone LCD display screens can be identified by considering factors such as resolution, kontrasztarány, színpontosság, fényesség, látószögek, és a frissítési gyakoriság. These factors help determine the sharpness, színpontosság, vibrancy, visibility, and smoothness of the image displayed on the screen. By evaluating these qualities, one can choose a mobile phone with a screen that best suits their needs.