"Absolutely nothing is known yet about another smartphone, HTC seems to work on but good old Bluetooth Special Interest Group unveiled that a new HTC smartphone is coming, which is code-named "HTC CONV100".
According to the available document, the geographical availability is Africa, Asia, Europe, North and South America which speaks for a - at least - quadband 2.5G device.
Unfortunately, the Bluetooth SIG has shut-down its second approval site, therefore we even don't know which Bluetooth version is supported (but most likely Bluetooth 2.0+EDR):"