HTC — Desire - 816 should be replaced bcoz in one year device serviced three times

Address:

Lucknow, Uttar Pradesh

Dear Sir/Madam,
Greeting of the day!!!

My self Mukesh Kumar Singh known as Santosh Kumar Singh belong from Varanasi Uttar Pradesh I Have purchased my phone which model no is-HTC 816 last october-2014 as known a reputed brand and better services and best gadget in mobile company and from October 2014 i have sent my mobile to Gurgaon three times near about 60 days for each times bcoz i were facing problem regularly regarding network connection and voice speaker is being cracked although although our network operator's engineer have been visited two times at my home and says that our network is ok there is no issue of network bcoz other company phones are working fine but again I have called to my operator’s network engineers for same problems bcoz it is going cut after every 5 mints as well as in rooms network in cut permanently after checked so many times they suggested me that pls contact your service Centre and today again and again we are received my phone in old condition after that once we go to your local collection point they are saying that we not responsible about that we are here only for collection if you have any problems regarding cell pls contact to toll free no we are helpless so lastly i am being fed-up with my phone and I have no idea to reach you so request you to pls change my phone and arrange new as my warranty is being expired next two monts and you shall ne answer me that your phone is out of warranty

So pls support as a reputed company bcoz I a used only HTC phone previously I had used HTC Phone Model Desire 500 so pls help..
Service canter copy attached for your reference pls…