Spin up a VirtualBox VM with Windows 7 – passthrough the USB device. Works like a charm.
Maps the USB connection to a virtual COM port for diagnostic software. 📥 How to Install the Updated Driver Sc6533g Usb Driver -UPD-
The suffix indicates you need an updated driver. Microsoft’s Driver Signature Enforcement (DSE) updates in Windows 8/10/11 regularly break older Spreadtrum drivers. The "UPD" version modifies the digital signature and PID/VID filters to bypass these modern restrictions. Spin up a VirtualBox VM with Windows 7