Qualcomm Usb Composite Device 9091 [extra Quality] -

QFIL expects a specific handshake from PID 9008, not 9091. Some versions of QFIL are incompatible with 9091.

The device is identified by the hardware ID . 54.252.165.78 Qualcomm Usb Composite Device 9091 |best| qualcomm usb composite device 9091

This is where the term comes from. It is a single USB device that supports multiple functions at once. QFIL expects a specific handshake from PID 9008, not 9091

When a device identifies itself as the , it usually means the device is in a specialized mode intended for: qualcomm usb composite device 9091