Jieli Br21 Driver Link | High-Quality & Easy

: If your hardware is branded (e.g., Borofone BR21), you can find targeted driver files for Windows 10 Pro and other versions on DriverIdentifier .

: Offers a jieli-br21.exe (v3.982, 15.74 MB).

If you bought a dongle from a brand like UGREEN, Baseus, or a generic Amazon seller, check their specific support site for a "Bluetooth 5.0 Dongle Driver." Manual Identification via Hardware ID jieli br21 driver link

| Field | Details | |-------|---------| | | 0x2FE3 (Jieli) | | Product ID | Varies (e.g., 0x0100 for download mode) | | Driver Type | Custom libusb / WinUSB-based or proprietary .inf | | OS Support | Windows 7/8/10/11 (x86/x64) |

This is the most common complaint among Windows 7 and Windows 10 users. The USB Mass Storage device is simply how the BR21 chip presents its configuration partition. It is not a driver error. Do not attempt to install drivers. Eject the drive if necessary, but do not format it. You must use the device via its audio interface, not the storage interface. : If your hardware is branded (e

Check the USB port. Try a different port, preferably a USB 2.0 port rather than USB 3.0, as some older Bluetooth chips have better compatibility with 2.0. Also, ensure your USB drivers are up to date via Windows Update.

: For technical specifications or bulk firmware tools, visit the Zhuhai Jieli Technology Official Website . Troubleshooting Common Issues The USB Mass Storage device is simply how

Open and look under Sound, video and game controllers .

I can confirm this works with Ubuntu 22.04. Using at terminal lsusb lists as: "ID 4c4a:4155 Jieli Technology USB Composite Device" Ask Ubuntu Jieli BR21 Bluetooth dongle shown as storage device

Pair your phone/headphones directly to the device hardware, not via Windows settings. Chip is stuck in its internal storage firmware update loop.

If you want to get your device up and running smoothly, tell me: