MY BATTERY WENT ALL THE WAY DOWN TO THE POINT IT WOULD NOT TURN ON. I CHARGED IT BACK UP AGAIN AND WHEN IT LOADED UP, NOTHING WAS THERE, NO WALLPAPERS, NO PHOTOS I TOOK, NO APPLICATIONS I DOWNLOADED....NOTHING. TOOK CARD OUT AND BATTERY OUT, PUT THEM BACK IN...NO DIFFERENCE. PLEASE EXPLAIN WHAT I NEED TO DO. IVE HAD THE PHONE FOR 3 WEEKS AND EVERYTHING WAS FINE SO FAR