Download a trusted version of the package.
Extract the contents of the downloaded ZIP folder to your desktop. Step-by-Step Installation Guide Huawei Mobile Wifi E5576 Driver Download
Scroll down and expand the section. You should see Huawei Mobile Connect - Network Card . Download a trusted version of the package
When you plug the Huawei E5576 into your computer via a USB cable, the computer needs to recognize it as a network interface card (NIC) or a modem. Huawei Mobile Wifi E5576 Driver Download