AT&T today announced that preorders for the HTC One will begin on April 4, and the device will be available to AT&T customers starting April 19. The 32 GB version of the One will cost $199.99 with a new contract. AT&T also said it will be the the only carrier to offer the 64 GB version of the One, which will cost $299.99 with a new contract. AT&T has created a page for preorders, and said that it will include the HTC Media Link HD wireless HDMI adaptor with the One at no extra cost. In related news, Sprint today announced that it, too, will offer the HTC One smartphone beginning April 19. The device can be preordered beginning April 5, and will cost $199.99 with a new contract. Sprint is selling only the 32 GB variant, in both black and silver.