I reported to Virgin Mobile the problem. Also told them I presently get internet access through my blackberry and T mobile. They said I need to uninstall T mobile.
The problem is the high price of the broadband connection. Virgin mobile broadband runs on the Sprint network and the best Virgin plan is $60 for 1gig, but .
Virgin Mobile Broadband2Go MiFi VMMNTKIT15L Mobile Hotspot Device WiFi I've had the replacement for 2 months and absolutely no problems.