Most likely the speaker of the camera is not working. See the link attached to fix this issue [guide|37872|Panasonic Lumix DMC-ZS25 Speaker Replacement.]
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The sounds of my camera is not working when I watch the videos
Most likely the speaker of the camera is not working. See the link attached to fix this issue [guide|37872|Panasonic Lumix DMC-ZS25 Speaker Replacement.]