Ugreen Bluetooth 50 Usb Adapter Cm390 Driver Install [FREE]
A very specific topic!
- Interface: USB 2.0 / 3.0 backward compatible.
- Bluetooth Specification: Bluetooth 5.0 (BLE).
- Chipset Driver Requirement: Realtek USB Bluetooth Driver.
UGREEN Bluetooth 5.0 USB Adapter (Model CM390 / Part Number 80889) ugreen bluetooth 50 usb adapter cm390 driver install
⚠️ Troubleshooting
- Disable driver signature enforcement (for old Windows versions).
- Update USB host controllers via Device Manager.
- If the device shows as “Unknown,” uninstall it, unplug, reboot, then reinsert.