Ugreen Bluetooth — 5.0 Usb Adapter Cm390 Driver

A common myth is that Windows 11 "just works" with all Bluetooth 5.0 adapters. While the CM390 will pair devices using the Microsoft driver, you lose the following without the official UGREEN/Realtek driver:

The Ugreen Bluetooth 5.0 USB Adapter CM390 driver is a software component that enables the operating system to communicate with the adapter. The driver is responsible for managing the adapter's functionality, including: ugreen bluetooth 5.0 usb adapter cm390 driver

Use the rtl8761b-firmware package from AUR. A common myth is that Windows 11 "just

To recap:

: Manual driver installation is mandatory for these versions. ugreen bluetooth 5.0 usb adapter cm390 driver

Sometimes, the UGREEN CM390 might be genuinely faulty or incompatible with your specific device. Here are superior alternatives depending on your use case.