If the virtual CD method fails or the device shows up as "Unknown Device" in Device Manager:
On modern Linux distros, the device works out of the box: huawei e5573cs-322 drivers
If you downloaded it from a third-party site, delete it immediately. Use the virtual CD-ROM method or Huawei HiSuite only. If the virtual CD method fails or the
Most modern operating systems will automatically detect the device, but if yours does not, follow these official and verified methods: HUAWEI HiLink but if yours does not