Driver Ugreen: Bluetooth 53 ((top))

Blog Title: UGREEN Bluetooth 5.3 Adapter: Do You Really Need a Driver? (Setup Guide)

Published: [Current Date] Category: Tech Support / Peripherals

If you’ve just picked up the UGREEN Bluetooth 5.3 USB adapter (often labeled as “CM390” or “50944”), you might be looking for a driver CD or a download link.

Stop right there. In most cases, you don’t need a driver at all. But if your PC isn’t recognizing the device, here is everything you need to know. driver ugreen bluetooth 53

Step 3: Manual Download

If Windows Update fails, you can download the generic Realtek driver that powers the Ugreen hardware.

Source: It is best to use the official Ugreen support page or a trusted driver repository.
Search Query: "Ugreen CM492 driver download" or "Realtek Bluetooth 5.3 USB driver".
Note: The installation file usually runs a setup wizard. After installation, a system restart is mandatory.

Part 7: Frequently Asked Questions (FAQ)

Q: Do I need a driver for UGREEN Bluetooth 53 on Linux (Ubuntu/Debian)?

A: Usually, no. Kernel 5.15+ has native Realtek 8761B support. For older kernels, use firmware-realtek package: sudo apt install firmware-realtek.

Q: My driver is installed, but the dongle’s LED is not blinking. Blog Title: UGREEN Bluetooth 5

A: UGREEN 5.3 dongles often have no LED. They only blink during pairing mode (which requires software trigger). Open Windows Bluetooth settings > "Add Device." LED should flash.

Q: Is the driver the same for UGREEN Bluetooth 5.0 vs. 5.3?

A: No. The 5.3 driver is for the Realtek RTL8761B chip. The 5.0 driver (older Broadcom chip) is incompatible. Do not mix them.

Q: The driver installation asks for a "License Key." Is this malware?

A: Stop immediately. Official UGREEN drivers never ask for license keys. You have downloaded a fake from a third-party site. Delete the file and run a full antivirus scan.

Step-by-Step Installation (Windows 11/10)

Step 1: Plug it in Insert the dongle into a USB 2.0 or 3.0 port. Avoid USB hubs if possible. Source: It is best to use the official

Step 2: Let Windows Work Open Device Manager (Right-click Start button). Look under Bluetooth. You should see Generic Bluetooth Adapter or Realtek Bluetooth Adapter.

Step 3: Force an Update (If it shows as “Unknown device”)

Right-click the unknown device → Update driver.
Select Search automatically for drivers.
If that fails, go to Windows Settings → Windows Update → Advanced options → Optional updates. Look for any “Realtek” or “Bluetooth” driver there.