T-mobile ran a valentines day promo on Saturday/Sunday 12/13 February 2011; free phone with an upgrade-eligible account; so my wife and I went and got a new phone. However, we didn't like the new phone, so we went back on Sunday to exchange with a blackberry smart phone (and a more expensive plan). The customer service agent informed us to come back on Monday because the agent that helped us on Saturday would be in the office. So we went back on Monday; the agent wasn't there, another agent informed us that he can't exchange the... read full review »