1. First, open the \"Settings\" in the millet phone, and find the \"sound and vibration\" item in the Settings;
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2, then in the sound and vibration Settings, slide down to find [More sound Settings];
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3, then find and close the \"charging prompt tone\" item;
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4. After closing, the slider on the right side of the charging prompt tone is gray, and there will be no sound prompt when the phone is plugged into the charger;
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5, note that the current millet charging prompt sound can not be modified into other prompt sound;