HTC Excalibur


The HTC Excalibur is a smartphone model manufactured by High Tech Computer beginning in 2006. It is rebranded and sold as the O2 Xda Cosmo, the T-Mobile Dash, the HTC S621 for Rogers Wireless in Canada, the HTC S621 for Suncom Wireless in the lower-eastern United States, the BT ToGo, and the Dopod C720W.

Features

The device runs the Windows Mobile 5 and 6 Smartphone Edition operating systems. It uses a 200 MHz Texas Instruments OMAP850 processor, with 64 MB of RAM and 128 MB of flash ROM. A microSD slot is also available for additional expansion capability.
It includes a quad band GSM radio with EDGE, 802.11g WiFi support, and Bluetooth communications. The device syncs with ActiveSync or Windows Mobile Device Center over Bluetooth or USB. It also has GPRS/EDGE and Wi-Fi connections.
Its successor, the HTC S630 was released August 2007.
T-Mobile initially shipped Windows Mobile 5 on all Dash devices, but began offering existing Dash owners the ability to update to Windows Mobile 6 on May 4, 2007.
Version of Windows Mobile 6.1 such as Kavanna's and Ricky's are available but not supported by T-Mobile. It also supports Windows Mobile 6.5.
This phone has also been ported to android by xda-developers.http://forum.xda-developers.com/showthread.php?t=560495

Bluetooth

The phone supports Bluetooth 2.0 without EDR and could support these profiles:
New firmware versions disable nearly a half of these profiles, including FTP according to the pre-commercial review.