Ugreen Bluetooth 5.0 Usb Adapter Cm390 Driver Repack

UGREEN Bluetooth 5.0 USB Adapter (Model CM390 / Part Number 80889)

Operating System Compatibility

Conclusion

UGREEN Bluetooth 5.0 USB Adapter (CM390) , the driver can be downloaded directly from the official UGREEN Download Center by searching for product model Driver Installation Guide ugreen bluetooth 5.0 usb adapter cm390 driver

Conclusion: Even if Windows auto-installs a driver, you should manually install the official UGREEN/Realtek driver for stability. UGREEN Bluetooth 5

Issue 4: Blue Screen of Death (BSOD) – “rtbt.sys failed”

Cause: Corrupt driver installation or conflict with another Bluetooth stack (e.g., Intel or Toshiba stack). Solution: ugreen bluetooth 5.0 usb adapter cm390 driver

To ensure you have the correct software for the part number 80889 (the ), use the following official methods: Ugreen CM390 Usb Bluetooth 5.0 Adapter - IMASTUDENT.COM