Jieli Br21 Driver Link ((free))
Are you trying to with a Bluetooth dongle, or are you looking to reprogram/flash the chip? christian-kramer/JieLi-AC690X-Familiarization - GitHub
Troubleshooting Your JieLi BR21 Bluetooth Connection If you've just plugged in a JieLi BR21 jieli br21 driver link
: For technical specifications or bulk firmware tools, visit the Zhuhai Jieli Technology Official Website . Troubleshooting Common Issues Are you trying to with a Bluetooth dongle,
Windows 11 requires digitally signed drivers. If you see "Third-party INF does not contain digital signature information," you must restart Windows into mode (Shift + Restart -> Troubleshoot -> Advanced Options -> Startup Settings -> Restart -> Press 7). Advanced Options ->