T-Mobile have been teasing CeBIT visitors with their latest Windows Mobile smartphone, the MDA Compact IV, keeping the slick HSDPA handset safely behind glass. We were told this was the only Compact IV they’d brought with them, hence the reluctance. The device has a 3-megapixel camera with autofocus, 4GB of internal memory and a 640 x 480 touchscreen together with 3D graphics.