Hey I have a Htc Evo 4g phone everything works but theres a problem with th screen sometime when I go to dial a number or some numbers to call it fails a the numbers in it start calling automatic.... Sometimes I what to text some patters in it do da same I touch letter j in it goes to k in some won't even tap... I want to know what's wrong in do I need to replace my screen?? Plz help ASAP