my gf gave me her evo (which hasn't been used, still new) and its flashed to metro pcs already, she had it activated on her number, how to i get it activated and have my own number. any help is good 
*EDIT* its not rooted
also im trying to make sure its flashed, it has the metropcs banner, when i turned it on it still had sprint's intro. when i try to call 611 or 228 a guys voice says account cannot be validated*

*EDIT* its not rooted
also im trying to make sure its flashed, it has the metropcs banner, when i turned it on it still had sprint's intro. when i try to call 611 or 228 a guys voice says account cannot be validated*