Jieli Br21 Driver Link Page

You can try right-clicking the device in Device Manager and selecting Update driver > Search automatically for drivers to let Windows find the best generic match.

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. Instead, you must use generic drivers or drivers provided by the specific device brand (e.g., Borofone). 杰理科技 Windows 10/11 : Most Jieli BR21 devices use the Microsoft Generic Bluetooth Driver . If your device is not recognized, you can try the Borofone BR21 Stereo Driver available on DriverIdentifier which is known to be compatible with this chipset. : The device often shows up as ID 4c4a:4155 Jieli Technology USB Composite Device . If it is stuck in storage mode, you may need to use usb-modeswitch to force it into Bluetooth mode: sudo apt update && sudo apt install usb-modeswitch -y sudo usb_modeswitch -v 0xe5b7 -p 0x0811 -W Ask Ubuntu Troubleshooting Common Issues Appears as "Audio Device" Only jieli br21 driver link

: If your device is a specific retail product (e.g., Borofone or Axtek), it is highly recommended to search the retail brand's website first to ensure you get the correct firmware for that specific implementation.

Because these devices often present themselves as a custom USB device (sometimes for flashing firmware or accessing internal storage), generic Windows drivers often fail to recognize them. You can try right-clicking the device in Device

If your Jieli device acts strangely (files appear and disappear, system slows down when plugged in), do not attempt to use it. The issue is likely not a driver problem, but a compromised device. Use a tool like USB Guard or check your startup items after plugging such devices in.

The is not a single official URL but a recurring need for embedded developers and repair technicians. The correct driver is a small .inf + .sys package, usually included within factory firmware release ZIPs. If you cannot obtain it from your supplier or an SDK, community archives (with caution) are the next best source. Always verify digital signatures or use in an isolated VM for safety. If you share with third parties, their policies apply

Visit the official support website of the brand printed on your device. Navigate to their or Support section.

Locate the device, likely under "Other Devices" or showing a yellow exclamation mark. Right-click the device and select .

audio (like a wireless headset) and do not support full Bluetooth dongle features like file transfer or connecting other peripherals. No "Bluetooth" Toggle