If after installing your MBR624GU router and 3G+ USB modem, you get the message "3G USB modem is not supported", but you see your USB Modem and ISP listed on this page, then please follow the steps below to UPGRADE your ROUTER software.
If you removed your 3G USB modem from the router, reinsert it. Then, return to your
Installation Guide and follow the steps to
"Configuring Your Router's Internet Connection."