Sony Xperia Mobile — worst service & worst product

1. i ve deposited my sony xperia SL LT26i handset twice in the month of july2013 but still my handset has got many problems and i am unable to use it every time i report to sony customer care they give me ticket id no which is not solving my problem. 2. there is no connectivity. 3. battery is getting charged @ 10% in 1 hour. 4. if any case it catches signals its intenet connectivity is not there.