my evo 4g rn great no problems at all.. it died one day .. i put it on the charger let it chrge and then it loaded the sprint screen .. i thought it was fine untill it kept restrting the sprint introduction over n over n over... ive hooked it up to the computer took the battery out i tried everything i cn think of but nothing will work... wth do i do???????? its been like this for months and i need some stuff that is saved to the phone but i cant get to it ... plz help