Jieli Br21 Driver Link ((top))

Trigger the interface swap manually by targeting the specific Jieli vendor and product IDs: sudo usb_modeswitch -v 0xe5b7 -p 0x0811 -W Use code with caution. Troubleshooting Common Connection Issues Direct Cause Corrective Action Operating system detects a sound card, not a radio adapter.

For developers or those needing specialized SDKs for Jieli chips, the ZhuHai Jieli Technology GitHub provides firmware toolchains and SDKs (e.g., for AC69 series chips), though these are not standard consumer drivers. jieli br21 driver link

Open and look under Sound, video and game controllers . Trigger the interface swap manually by targeting the