Drivers & software for Dell OptiPlex SX (OptiPlex): Application, Audio, Dell TrueMobile Wireless Broadband Router, v, A Own a Dell computer? Visit our Dell Part Finder page to view all the products compatible with your machine. .. Wireless Router Truemobile - B/g. How to Reset the Dell TrueMobile On this page I will show you how to reset the Dell TrueMobile router back to it's original factory defaults. This is not.