This solution is for All Nokia Asha 311 Hardware keys Problem Solutions. If any hardware key stops working consult the diagrams below.
If any Button key like Volume keys or Lock Key stops working replace them with new ones. In the first diagram I have marked both Nokia Asha 311 Volume Increase and Decrease Buttons and Lock Button Ways Jumpers points. In the second diagram I have marked Nokia Asha 311 Power and Send Keys Ways Jumper points.
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Here Are All Nokia Asha 311 Hardware Keys Ways Problem Solutions. Please study these diagrams very carefully before you start repairing.
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