Unplug and reconnect the dongle. The blue LED should begin flashing, indicating active pairing mode. Key Troubleshooting and Safety Tips Root Cause Stuck in firmware mode.
Most generic Jieli transmitters operate out-of-the-box by wrapping around Microsoft’s base Bluetooth enumerator. Jieli BR21 Bluetooth dongle shown as storage device jieli br21 driver verified
Because Jieli utilizes class-compliant architecture, third-party software bundles can break your operating system's native hooks. Open . Unplug and reconnect the dongle
This error indicates that the hardware failed to communicate properly with your computer's USB port. jieli br21 driver verified
Navigate to the tab, and select Hardware Ids from the dropdown.
sudo apt update && sudo apt install usb-modeswitch -y sudo usb_modeswitch -v 0xe5b7 -p 0x0811 -W Use code with caution.