From April to June, AT&T gained 627,000 new connected-device customers exclusive of smartphone sales. The next such device AT&T will sell is Acer's Iconia tablet. The company also recently launched HTC JetSteam tablet on its 4G mobile broadband network, which promises speeds four times faster than its 3G network. It is accommodating these devices with a redesign of its 2,200 stores to include a new tablet and emerging-devices "wall" to display the latest connected gadgets.