This is the nuclear option for modems that refuse to switch modes. Zadig is an open-source tool that replaces the faulty driver with a generic USB driver.
One-click solution, but only trust this from reputable forums (e.g., 4pda, XDA). Some antivirus flags it as a hacktool – which is technically true. huawei usb com 1.0 usb driver install problem solution
Windows 10 and 11 aggressively block unsigned or modified USB serial drivers. Huawei’s older drivers (pre-2016) are often not properly signed. This is the nuclear option for modems that
Some developers repackaged the Huawei drivers with a fake signature. The tool includes a working HuaweiUsbCom1.0 driver. huawei usb com 1.0 usb driver install problem solution
Some very old Huawei modems (E1550, E160) cannot handle USB 2.0 high-speed negotiation.
The PC sees the hardware but doesn't know it's a Huawei port.