under "Sound, video and game controllers." If you see a yellow exclamation mark, right-click it and select "Update driver" > "Search automatically for drivers." Manual Driver Utility
: Official software development kits (SDKs) for related AC63 and AC69 series chips can be found on the Jieli-Tech GitHub 4. Common Troubleshooting Shown as Storage Jieli Br21 Driver
The Jieli BR21 chipset does its job well as a plug-and-play, low-cost solution for connecting wireless mice, keyboards, and casual audio devices. While the lack of an official central repository for JieLi Technology drivers is annoying, relying on the native Windows 10/11 Bluetooth stack is almost always the safest and most effective solution. Avoid installing random third-party executable files ( .exe ) from unverified blogs claiming to have the "Official 2026 Jieli Driver," as these are often malware vectors. under "Sound, video and game controllers
(Note: Replace the vendor -v and product -p hex codes with the exact numbers generated by your device's lsusb output if they differ). Avoid installing random third-party executable files (
The Br21 was equipped with state-of-the-art AI, sensors, and cameras, making it virtually indestructible. However, Jieli soon realized that the vehicle's true strength lay not in its technology, but in its ability to adapt to unpredictable situations.
To ensure that your Jieli Br21 device functions optimally, it's essential to keep the driver up to date. Here's how to update the driver: