Nokia Asha 502 Touch Screen Jumper Ways Solution
https://gsmfixer.blogspot.com/2015/09/nokia-asha-502-touch-screen-jumper-ways.html
Here is a hardware repair digram picture to solve the problem of touch screen not working in nokia asha 502. The touch panel may not work some times so you can change it other wise you have to repair it the touch panel is fine. Trace the points on board and make the jumpers as guided in the diagram image.
Nokia Asha 502 Touch Screen Not Working Problem Solution