Xiaomi — Qusb-bulk-cid

Understanding the cause helps you avoid repeating the mistake. The Qusb-bulk-cid state on Xiaomi phones is usually triggered by one of these five events:

Are you attempting to a specific Xiaomi model, and if so, do you have the fastboot ROM ready for flashing? Qusb-bulk-cid Xiaomi

Technicians must know this difference. If your Device Manager shows , you have a standard EDL connection. Your drivers are working. Understanding the cause helps you avoid repeating the

Xiaomi smartphones rely on Qualcomm’s Sahara/Firehose protocol for low-level flashing. Under normal engineering conditions, a device in EDL mode enumerates as QUALCOMM HS-USB QDLoader 9008 (VID 0x05C6, PID 0x9008). However, in scenarios involving bootloader corruption, empty flash memory, or factory recovery states, the device may enumerate instead as QUSB_BULK_CID (often with VID 0x05C6, PID 0x900E). If your Device Manager shows , you have

Seeing this means the device is waiting for an authorized "firehose" file or firmware flash to restore the system partition. How to Fix a Xiaomi Device in QUSB_BULK Mode