Nokia asha 305 power button problem ways solution

The power button is more important for all phones and all electronic devices products.Now problem I Discus Nokia Asha 305 phones power button repairing.May be any phone damaged the power button or power button shapes. This problem of repair is very easy to see just below picture.work next photo for this solution is 100% test this md.safiqul created by Islam. How to check the line route power button if the line can damage jumper.Then see the results if the same problem then check the resistance, transmission of electricity.