2 ms·
HTC Hero and original Desire had one too, not sure when HTC stopped or if anyone else used them though.
by mcintyre1994 12y ago
HTC Hero and original Desire had one too, not sure when HTC stopped or if anyone else used them though.
- avinashv 12y agoI had the Desire, and that was less a trackball and more an optical sensor. A much poorer experience than a trackball.