Driver — Jl-spp
If you see "JL_SPP" in your Device Manager with a yellow exclamation mark, follow these steps to resolve it:
In short,
: Some older JL drivers are unsigned; you may need to disable Driver Signature Enforcement in Windows Startup Settings to complete the installation. jl-spp driver
, a common manufacturer of low-cost Bluetooth chips found in wireless speakers, headphones, and automotive gadgets. Common Issues It frequently appears as an "Unknown Device" If you see "JL_SPP" in your Device Manager