If it fails, you may need to download the rtl8761b_fw.bin and rtl8761b_config.bin files to /lib/firmware/rtl_bt/ .
hci_unregister_dev(jq->hdev); hci_free_dev(jq->hdev); serdev_device_close(serdev); jq-bt bluetooth driver
) used in DIY electronics, wireless speakers, and car audio retrofits. If it fails, you may need to download the rtl8761b_fw
Most of these devices utilize standard from manufacturers like CSR (Cambridge Silicon Radio) , Broadcom , or Realtek . They generally do not require a specific, proprietary driver CD to function. If it fails
screen /dev/rfcomm0 115200