The HTC Titan is a Windows Mobile 6.1 Pocket PC PDA and phone manufactured by High Tech Computer Corporation of Taiwan.

On August 27, 2008, HTC released a ROM update adding Windows Mobile 6.1 to the XV6800 (Verizon Wireless) variant of the device.

The ROM update also adds a task manager and corrects bugs in the phone's Bluetooth implementation and Windows Live Messenger.

Carriers/Models include: Users of this phone have successfully installed and used other GPS map software applications (such as Tracky, iGuidance, TomTom, Fugawi, Garmin Mobile XT, CoPilot Live, Google Maps, and Microsoft's Live Search for Windows Mobile), which do not charge a service fee.

[citation needed] The GPS may not activate when the phone is used indoors (or without access to clear sky) or if the person is walking very slowly (< 1 mile/hour).