Corby samsung gt-s3653w

Hello,

i juz bought a my samsung corby with wifi last sunday but last night while im playing my phone suddenly became blurred and it does not display anything.and this morning i returned my phone to the store where i bought it and they said that they will repair it because its still covered the by the 1 yr warranty service but the problem is i can get it for 1-2weeks.i hate it!