[Resolved]  Flipkart — mi redmi note 4, outgoing slow sound

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732102

I bought a redmi note 4 mobile phone from flipkart on 27/07/2017'id :od[protected], invoice number#faaw5c[protected]' imei/serial no:[protected]. After some day used i understand, from other side any one not get clear sound of me, out going slow sound, mic problem. I went mi servicing center, first time they updated software, but problem not solved. I intech solutions center of mi, malda. Again they kept my mobile almost 30 days two times, problem not solved. I want solutions.