LG GS170 / 420g

I just got one of the LG Gs170 phones, and I really like it, but there is no external display to this thing. The outer screen remains blank ALL the time, except for when a call comes in. There is no time that shows ont the screen, along with the battery life and signal strenth. Am I the only one with this problem? I called T Mobile (my service) but those ninnies could not help me. My old phone displayed all this, but not this new one. Can anyone help?