Nokia c201
Internet problem, YOUTUBE, battery and many problem

Sir, my phone in many problem under waranaty.problem in my phone is internet start or stop automatically, youtube not start, battery full show display but symbol not show, image downloading problem .when i had bought phone that time is phone good work but after two month my phone condition is very bad.i had also gone to dhanbad, hazaribhag nokia care but they demand money under waranty. MODEL C201, MY NO-7209483768