Look for any listed entries referencing JieLi , Bluetooth , Serial Port , or Realtek/Intel Bluetooth . Check the box and hit . Method 2: Manually Reinstall Your Master Bluetooth Driver
: JieLi chips are commonly updated or completely reflashed using tools like the JLISP tool , IsdDownload , or JL Flash tool . The driver provides the data pipeline to push new binary ( .bin ) code into the chip's internal or external flash memory. jl-spp driver
Use Device Manager: Connect your device via USB (often in a specific "Update Mode" triggered by holding a button), right-click the "Unknown Device" in Device Manager, and select "Update Driver." Point the wizard to the folder containing the JL-SPP files. Look for any listed entries referencing JieLi ,
Stands for Serial Port Profile , a Bluetooth protocol used to replace RS-232 serial cable connections with a wireless link. Why is it showing as "Unknown"? The driver provides the data pipeline to push new binary (
: Modern, low-power Bluetooth 5.1/5.3 chips used in TWS (True Wireless Stereo) earbuds.
Always download the driver from trusted developer communities (such as GitHub repositories dedicated to Jieli hacking/reverse engineering) or directly from your product manufacturer's support portal.