If the page loads, your drivers are working! You can manage your connection and APN settings directly from this "top" interface without needing extra software. Troubleshooting Tips Try a different USB port
Follow the prompts to install the drivers and the connection interface. 2. Manual Driver Installation
Outdated or corrupted drivers are the #1 cause of the infamous "Unknown Device" error in Device Manager or the dongle constantly disconnecting after 10 minutes.
Then, use modemmanager for automatic connection instead of wvdial .