A small flashing dot on Samsung phones indicates the proximity sensor is active, a feature crucial for call handling and accidental touch prevention. This sensor, which uses infrared rays to measure distance, is either physical or virtual (AI-based) depending on the model. While physical sensors are generally reliable, virtual sensors on certain Galaxy models may be prone to errors, and Samsung offers diagnostic tools to troubleshoot potential issues. AI
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RANK_REASON Article explains a specific feature of a consumer electronic device.
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