Facilitates cellular data connections (tethering) or mobile broadband access. Firmware Management:
When a device identifies itself as the , it usually means the device is in a specialized mode intended for: qualcomm usb composite device 9091
If you were attempting to flash a custom ROM, root your device, or downgrade your firmware, and something went wrong, your phone might be stuck in a "hard brick." In this state, the phone will not turn on or show a logo. However, when you plug it into your PC, Windows plays the "device connected" sound, and in Device Manager, you see "Qualcomm USB Composite Device 9091" or "QHSUSB__BULK." In summary, seeing this entry usually indicates your
Sometimes, this device appears simply because Windows Update failed to find a suitable driver for a connected phone. root your device
In summary, seeing this entry usually indicates your Windows computer has recognized the Qualcomm chipset at a hardware level, but it may not necessarily have the correct software "language" (driver) to talk to it yet.