okay so iv had this phone since november and havent had any problems with it until today wen randomly, if i pressed 1, 2 or 3 it came out as a 1, 4, 5, 6 were displayed as 4's and 7, 8, 9s were displayed as 7's. gradually all of the numbers started not working and wen i wasnt pressing anything, it said i was dialing the number sign a bunch of times. then i turned it off and took the battery out, put it back in and the screan now just says download in white with an orange bar. any ideas whats going on with this phone?