To Whom it my concern : on March 29th, 2010 I went to the sprint store to exchange my air card that stopped working for a replacement spoke with Keith he said no problem come back tomorrow and pick up a new/or refurbished on March 30th went back to the store on March 30th and the air did not work after waiting for over an hour they said to go have my computer check. I did on Mach 30th 2 hrs from work at Best Buy they ran a test my computer came up cleann I was charged $30.00 for the test. I called sprint spoke with Thomas km485108... read full review »