Samsung Wave S8530 — Touch screen

Address:

Tamil Nadu

I bought a samsung wave 2 s8530 before 4 months after 1 month itself the touch screen automatically works and still the problem continues when i went to the service center they are telling i have to pay for the touch screen as nearly 5500 then why there is a warranty or guaranty for these types of phones really china mobiles are better than samsung phones atleast it will work for 1 year i really hate samsung mobiles....