Nokia asha 311 power button problem solution

Nokia Asha 311 is the power button damage and the power button does not work solution.if your affected by this problem.then helped solve your problem with your solution. How: First the power button to see if it is oxidized in the power button and then the power button clean with a cleaner or petrol.If problem not solve then check the power button ways AVO meters . If you see the offer means damage then do next rider.