Sony India — Xperia z2

Sir/Madam I have Sony xperia Z2 with IMEI number [protected]. I submitted mobile at your Rohtak ( Haryana ) Centre. Problem was that voice not goes clear to other party.They submitted mobile for 12-15 days as they send it to head office.Problem remain same after you change mike.Before it mobile was submitted for 15 days for network problem, as problem was solved after changing mother board . How much time I have to submit my mobile.Why you not check set properly when it comes to you.Also your care member talk vulgur.They said every time to change sim as the same sim is working properly in other mobile.And why you changed mother board if problem was of sim.I take very care of my set as my mobile not have any scratch and never fall from my hand.So bad products come out from so big company...Shameful...why problem not solved by you and make consumer fool by saying vulgur .Why you not check set propery...very bad... Bill copy attaced Deepak Mittal Meham-124112, Haryana, India Xperia Z [protected], [protected]