Ugreen Bluetooth 5.0 Usb Adapter Cm390 Driver May 2026
In an era where desktop PCs and older laptops still lack native Bluetooth connectivity, the USB Bluetooth dongle remains one of the most cost-effective upgrades you can buy. Among the crowded market of adapters, the has carved out a reputation for reliability, range, and driver stability.
| Use Case | Recommended Adapter | Why? | | :--- | :--- | :--- | | | TP-Link UB500 (Bluetooth 5.0) | Uses same Realtek chip but with better antenna. Drivers on TP-Link site are updated frequently. | | Linux Native (no firmware hassle) | ASUS USB-BT500 | Mediatek chipset – firmware included in Linux kernel 5.7+. | | macOS / Hackintosh | Any Broadcom BCM20702-based dongle (e.g., IOGEAR GBU521) | Native support with BlueToolFixup. Realtek chips on macOS are a nightmare. | | Bluetooth 5.3 / LE Audio | UGREEN CM491 (Bluetooth 5.3) | Newer chip, better power efficiency, but still Realtek-based. | ugreen bluetooth 5.0 usb adapter cm390 driver
Some Linux distributions (Fedora 38+) include this firmware by default. Try a live USB first. Part 6: Hardware Alternatives – When the Driver Isn’t the Problem Sometimes, the UGREEN CM390 might be genuinely faulty or incompatible with your specific device. Here are superior alternatives depending on your use case. In an era where desktop PCs and older
If you are still struggling after following this guide, leave a comment below (or reach out to UGREEN support). More often than not, the fix is as simple as moving the dongle from a USB 3.0 port to a USB 2.0 port or disabling power management. | | :--- | :--- | :--- | | | TP-Link UB500 (Bluetooth 5
Introduction: Why the UGREEN CM390 Remains a Top Choice
