Screen size, resolution and quality are some of the most important features to consider when choosing a smartphone.
ZTE Z557 sports a 5" sized 24bit IPS main screen with a resolution of 480 x 854 pixels.
The width of the ZTE Z557 screen is 2.45" and its height is 4.36", giving an Aspect ratio of 1.78.
The screen-to-body surface ratio of Z557 is 66%.
Z557 Screen to Surface Area Ratio
Pixel density (PPI:Pixels per inch) of a display is an indicator of its clarity and level of details.
ZTE Z557 has a pixel density of 196ppi. On the other hand, with a DPI of only 196mm, it has low resolution per inch compared to the average DPI of 320 of its class.