Uncheck . Fix 3: Restart the Bluetooth Support Service Press Windows Key + R , type services.msc , and hit Enter. Find Bluetooth Support Service . Right-click it and select Restart .
: Even when it's tucked inside a Borofone case, the BR21 identifies itself with pride to those who know where to look in the system logs.
Corrupted existing Bluetooth stack. The Fix: You may need to completely reinstall your PC's main Bluetooth adapter driver (Intel, Realtek, etc.) before the Jieli BR21 peripheral driver can successfully attach to it. Jieli Br21 Driver
sudo apt update && sudo apt install usb-modeswitch -y sudo usb_modeswitch -v 0xe5b7 -p 0x0811 -W Use code with caution.
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 Uncheck
The "Driver" in this context refers to the USB-serial converter software or Bluetooth profile driver that allows a Windows, macOS, or Linux computer to communicate with the chip when connected via USB for data transfer or charging/sound card mode. 2. Why Do You Need a Jieli BR21 Driver?
Click , followed by Let me pick from a list of available drivers on my computer . Right-click it and select Restart
Many Jieli BR21 USB dongles are configured as USB Audio Devices. If they appear as a storage device (a "USB Drive"), they might be in a firmware update or "flash" mode.