Remove TeleNav GPS app from myTouch 4G Slide
There is an application called Root Uninstaller Pro 2.7, with the sole purpose of allowing users uninstall either SYSTEM or REGULAR applications.

To download it to your phone via WAP:


Visit http://wap.mobiles24.com on your wap enabled handset
Select Download by ID and enter 552004
Click Download Item




Other links:

Root Uninstaller Pro 2.7 Android App Apk

Google Play :: Root Uninstaller Pro (small price)