T-Mobile has officially announced the Samsung Galaxy S Blaze 4G. The device will be available on March 21st. for only $149 after a $50 mail-in rebate, you can own this new Galaxy S handset. It features a 3.97 inch display, 5MP camera, TouchWiz, Gingerbread and a 1.3MP FFC. Click here to sign up for more information about this device from T-Mobile.