Evaluation summary: we checked the returned unit and confirmed that the bending rubber leakage.Based on the result, we concluded that it was caused due to the physical damage applied on the bending rubber.In addition, we confirmed that the deflector wire stretched, the lg prong corroded, the us probe leaked, the segment loosened and the lg prong top worn out; however, they are not the main cause, and/or irrelevant to the alleged complaint.Correction information: g6: follow up #1.H6: coding changed based on the investigation result.Additional information: h4:device manufacture date.
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