He clicked Connect .
If your modem is generic or from a specific manufacturer like Huawei or ZTE, you may need a standalone "Update Patch". hspa usb modem firmware update
Ensure the SIM card is properly inserted and the modem is connected directly to your PC (avoid USB hubs). He clicked Connect
Manufacturers release patches to fix common "device not found" errors or random disconnections. hspa usb modem firmware update
: Ensure your laptop is plugged into a power source. The update will fail—and likely damage the device—if your computer enters sleep mode or shuts down.