Need Some Technical Assitance please.

[cybrshdw]

ya thats not working well, when pluged in to charger i get an orange charge lite im assuming... but when i try and power it on i get nothing, but when its hooked upt to a pc with usb the pc will reconize it so im sure its not 100% bricked.... i got the phone from my brother who was tryin to unlock it from sprint to at&t or something and ended up messing it up, im not sure what program he was using to flash it or what not, iid like to see if i can get it back to working order