Pair your phone/headphones directly to the device hardware, not via Windows settings. Chip is stuck in its internal storage firmware update loop.
Because Jieli drivers are often hosted on third-party "driver pack" websites or obscure forums, use caution. Always scan downloaded .exe or .zip files with reputable antivirus software before installation. Conclusion jieli br21 driver link
Plug your Jieli BR21 device into a functioning USB port (preferably a USB 2.0 port, as some older Jieli chips conflict with USB 3.0 controllers). Ensure your PC is connected to the internet. Pair your phone/headphones directly to the device hardware,
Once you have downloaded the driver folder (usually a .zip or .rar file), follow these steps to manually force Windows to accept the Jieli BR21 driver: Always scan downloaded
JieLi developer tools often use unsigned drivers. To install them, you must temporarily restart Windows in Disable Driver Signature Enforcement mode via the Advanced Startup options menu.
: Right-click the device and click Update driver . Browse Manually : Choose "Browse my computer for drivers" .