Best Buy is sweetening the pot on their trade-in deal for a selection of Motorola handsets. With the trade in of any mobile phone, the retailer will offer a $50 credit towards the purchase of the Motorola Atrix 2 for AT&T, Motorola Photon 4G for Sprint, and Motorola Droid RAZR for Verizon. The offer is good at any Best Buy or Best Buy Mobile location. For those not interested in picking up one of the previously mentioned devices, Best Buy reminds us that trade-ins can pay out up to $200 in the form of a gift card. Other deals include $50 off any Sprint phone on a two year activation and up to a $50 gift card when trading in the HTC EVO 4G. Check out the source below for a few more details.