HTC Advantage X7500 series

They were a Windows Mobile 5.0 Pocket PC Phone Edition based smartphone designed and manufactured by HTC.

The HTC Advantage X7501 is a Windows Mobile 6.0 version released in July 2007 as an OEM unlocked GSM phone by CompUSA and Amazon.com primarily for the North American market as a Pocket PC.

The HTC Advantage X7510 is an updated version of the X7500, featuring Windows Mobile 6.1 "Manilla" Professional Edition, a solid state drive, and a 16GB flash drive.

The X7510 model also brings back the secondary VGA camera on the screen side for videoconferencing.

A full specifications sheet was leaked on January 26, 2007.