Essentially, your phone is "bricked," and it's waiting for you to send it the correct firmware files to bring it back to life. To do that, your computer needs to recognize it correctly as a Qualcomm HS-USB QDLoader 9008 Step 1: Download the Correct Drivers
Open Command Prompt as Admin and run: bcdedit.exe -set loadoptions DDISABLE_INTEGRITY_CHECKS followed by bcdedit.exe -set TESTSIGNING ON . : qusb bulk cid driver
The "QUSB Bulk CID" driver is a specialized interface used primarily for communication between a computer and a mobile device (usually a smartphone or tablet) powered by a chipset. Essentially, your phone is "bricked," and it's waiting
Host Device (EDL mode) | | |--- USB Bulk OUT (Sahara/Firehose handshake) -->| |<-- USB Bulk IN (ACK, session open) ------------| |--- Bulk OUT (CID read command, e.g., 0x34) --->| |<-- Bulk IN (128-bit CID data) -----------------| |--- Bulk OUT (close session) ------------------>| Host Device (EDL mode) | | |--- USB
The proposed architecture is a layered design, separating the USB Host Controller Interface (HCI) interaction from the logical command processing.
: Frequently encountered by Google Pixel , OnePlus , and Xiaomi users when a device fails to boot and is stuck in a black-screen EDL state.
Some common issues associated with the QUSB Bulk CID Driver include: