This solution may help after you already confirmed that the speaker seems working and or already tried replacing it but still you can’t hear any tones, or ringtones on the device.
Hardware Solution:
check ringers point after opening the mobile.if ringers point is not working and its value is not right then replace it with new ringer.problem will be solved.if problem will not be solve then check ringers point on board.If there value is not right then check parts and components with there path from above diagram.If some path is missing then apply jumper.If any part and components is not working replace it with new one.
Samsung C3010 Speaker Solution Jumper Problem Ways Ringer Not Working
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