: Place the file inside your application's /lib directory.
It is a Bluetooth Serial Port Profile driver. do you have the same or its known & digitally signed device? Share. Share. batmalin. Acer Community How to Update SPP Drivers on Windows 11
Restart your computer to ensure the changes take effect. Troubleshooting "JL_SPP Unknown Device"
Because downloading loose .inf configuration files from third-party driver aggregator sites carries notable malware risks, you should resolve the issue natively within Windows using standardized diagnostic steps. Method 1: Force Windows to Use Natively Signed Drivers jlspp driver link
Without this specific driver, your computer will not communicate with your legacy hardware.
When you connect a cheap Bluetooth audio device, or sometimes when you bridge an Apple iPhone to a Windows PC via USB Type-C, Windows attempts to set up a data logging/serial communication profile alongside the standard audio stream. If Windows cannot match a signed driver to this profile, it flags it as an unknown device, often causing the Bluetooth stack to rapidly crash and reconnect. Safe and Official Driver Download Links
// Add an event listener serialPort.addEventListener(new SerialPortEventListener() public void serialEvent(SerialPortEvent event) // Handle the event : Place the file inside your application's /lib directory
The JL_SPP driver acts as a bridge, allowing your operating system to treat a Bluetooth connection as a standard serial (COM) port. This is particularly common for devices using chips from manufacturers like , often found in affordable Bluetooth peripherals. Without this driver, your computer may recognize the device but won't be able to send or receive data correctly. Finding a Reliable JL_SPP Driver Link
No. Prolific (PL2305) uses a different hardware ID. Forcing a Prolific driver on a JLSpp chip will result in a error.
Do download drivers from:
The designation JL_SPP stands for (often grouped or confused with JP_SPP or generic BTHENUM strings). JieLi (JL) is a massive semiconductor manufacturer that produces low-cost, highly distributed Bluetooth chips found inside millions of consumer electronics, including:
Many laptop brands bundle the underlying Bluetooth stack fixes that resolve the JL_SPP error. If you are using a branded laptop, navigate directly to your manufacturer's support layout: JL_SPP Driver for ASUSTeK - X455YA - DriverIdentifier