Lenovo — My mobile gets hanged, faulty camera, not showing caller id, till now submitted 3 times, faulty piece.

Address:	Aurangabad, Maharashtra, 431001
Website:	lenovomobileservice.com

Respected sir,
i am using your lenovo a6000plus mobile, it gets totally hanged, phone doesn't get locked, saved contacts caller id doesn't shows, front and back camera picture quality is worst, i had submitted this piece for three times for 2 months in your care centre but very much frustated with your third class service and faulty mobile please give me piece to piece replacement or i have to take legal action aginst company my jobsheet no. is 'SRIN[protected]' MY IMEI NO, IS '[protected]'. please contact me on no.[protected] or mail me on [protected]@gmail.com.