These are some common tools used to work on this device. You might not need every tool for every procedure.
The HTC Excalibur, also known as S620. Has a QWERTY keyboard and a large 2.4-inch screen display. It supports quad-band GSM/EDGE/GPRS and has Wi-Fi® and Bluetooth® capabilities. The HTC JOGGR™ is used to make viewing documents, browsing the web and going through each menu simple and easy. Internally, it has 64 MB RAM and 128 MB ROM for memory.
Other features this phone contains are PDF, Word, Excel, and PowerPoint viewers as well as a 1.3 megapixel camera for taking photos and video clips. The HTC S620 also comes with Windows Mobile® 5.0 Direct Push for functions such as instant access to e-mails, Contacts, Calendar, and Tasks.
Track down a number of hardware problems using the HTC Excalibur Troubleshooting Guide