This article is for educational purposes. Always scan downloaded driver files with Windows Defender. The author is not affiliated with Jieli Technology.
Download the driver ZIP file from the DriverIdentifier link. jieli br21 driver link
The most reliable source is the official JieLi support site (Baidu Pan), but it requires a Chinese phone number to login. This article is for educational purposes
: The official developer portal for JieLi is hosted on GitHub (Jieli-Tech) , where they provide update tools and documentation for various chip series including BR17, BR21, and BR22. jieli br21 driver link