Without the correct QUSB Bulk driver, your PC will likely label the device as "Unknown Device" or "QHUSB_BULK" with a yellow triangle. In this state, professional tools—such as —cannot communicate with the phone.
The is a specialized USB communication driver used primarily in hardware development, mobile device repairing, and embedded systems engineering. It allows a computer to communicate directly with a device's chipset—most commonly Qualcomm Snapdragon processors—via a bulk transfer protocol when the device is in a specific diagnostic, bootloader, or emergency download mode. qusb bulk cid driver
Avoid connecting the device to front-panel PC ports, which often suffer from voltage drops. Connect directly to the motherboard's rear ports. Without the correct QUSB Bulk driver, your PC