Mi Mobile — product and service issues

Address:

Taranagar, Ranga Reddy, Andhra Pradesh, 500019

Have bought mi 4 and getting only 1st call and 2nd call hearing problems when i am making to a person, after disconnecting 3rd able to connect. Went to mi service center and taken rs. 180 and done servicing and promised that will be resolved. But same issues from same day. Does anyone look into this or shall i move on to someone where can be done

I have been facing this issue since 2 months from receiving the product. I have requested the mi service care through mail, reverted with a option which was not resolved. I think company sell the products only and they don't serve. I have sent multiple mails at that time but not received proper response. Before this complaint also sent mail but reverted to go again to service center. I think they don't required existing customers.

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