This guide provides the necessary links and troubleshooting steps to get your Jieli BR21 device working on Windows and Linux.
Once the device is recognized, look for a flashing blue LED. This indicates it is in pairing mode . It may take a minute for the OS to finalize the setup before this starts. jieli br21 driver link
For developers, hobbyists, or users trying to flash the chipset firmware via a USB-to-TTL tool, the actual source files, toolchains, and USB drivers are maintained via open-source repositories. This guide provides the necessary links and troubleshooting