Hi! To find the model #. Turn on phone and click on settings, scroll down to about phone, click on it, and scroll till you see your model #. Good luck with you auction.
I thought I would out the seller out out with the specs. I looked at all the slider phones and this one looked liked her picture. AT&T Samsung Impression model# SGH-A877 it has a 3.2 in screen. 55 reviews 3.7 stars.