| Manufacturer | High Tech Computer |
|---|---|
| Type | Smartphone |
| Lifespan | since 2006; 19 years ago (2006) |
| Media | microSD |
| Operating system | Windows Mobile 5.0 / 6.0 |
| CPU | TIOMAP850 200MHz |
| Display | 16-bit color 320x240 TFT |
| Input | Illuminated QWERTYkeypad, Side touch-bar |
| Camera | 1.3-megapixel(1280x1024) |
| Touchpad | "JOGGR" side touch-bar |
| Connectivity | GSM withEDGE GPRS802.11g WiFi Bluetooth |
| Power | Battery |
TheHTC Excalibur (HTC S620) is asmartphone model manufactured byHigh Tech Computer beginning in 2006. It is rebranded and sold as theO2 Xda Cosmo, theT-Mobile Dash,[1] the HTC S621 forRogers Wireless in Canada, the HTC S621 forSuncom Wireless in the lower-eastern United States, theBT ToGo (as part of the BT Total Broadband Anywhere package), and theDopod C720W. The model has been discontinued.[2][3]
The device runs theWindows Mobile 5 and 6 Smartphone Edition operating systems (AKU 3.0). It uses a 200 MHzTexas Instruments OMAP850 (ARM architecture) processor, with 64 MB of RAM and 128 MB of flash ROM. AmicroSD slot is also available for additional expansion capability.[4][5]
It includes aquad band (850 MHz, 900 MHz, 1800 MHz, 1900 MHz)GSM radio withEDGE,802.11g WiFi support, andBluetooth communications. The device syncs withActiveSync orWindows Mobile Device Center (Windows Vista andWindows 7) over Bluetooth or USB. It also has GPRS/EDGE and Wi-Fi connections.[5]
Its successor, theHTC S630 (codenamed Cavalier) was released August 2007.[6]
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.[7][8]
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.[9]This phone has also been ported to android byxda-developers.[citation needed]http://forum.xda-developers.com/showthread.php?t=560495

The phone supportsBluetooth 2.0 without EDR[10] and could support these profiles:
New firmware versions disable nearly a half of these profiles, including FTP according to the pre-commercial review.[10]