: Sometimes the BR21 appears as a mass storage device (like a thumb drive) instead of an audio device. This usually requires waiting 10–30 seconds for the OS to switch the device mode.
I can provide targeted steps to get your connected. AI responses may include mistakes. Learn more Share public link
Here is the critical distinction:
Locate the device with the yellow exclamation mark (it might be under "Other Devices" or "Universal Serial Bus controllers" as ). Right-click it and choose Update Driver . Select Browse my computer for drivers .
If you have purchased a pair of budget wireless earbuds or a Bluetooth speaker online, you might have stumbled upon the name "Jieli" in your device manager. Specifically, the is a popular System-on-Chip (SoC) used in countless affordable audio devices. Jieli Br21 Driver
I can confirm this works with Ubuntu 22.04. Using at terminal lsusb lists as: "ID 4c4a:4155 Jieli Technology USB Composite Device" Ask Ubuntu Jieli USB Dongle 4.0 Update Tool Manual
You usually don't need a specific storage driver. If it's interfering with your system, you can simply disable the disk drive entry for "BR21 UDISK" in the Windows Device Manager . 2. Setting Up the Audio Driver : Sometimes the BR21 appears as a mass
Jieli’s older drivers lack Microsoft certification. Fix:
If you experience lagging audio, frequent disconnections, or a "Device cannot start (Code 10)" error, try these fixes: Fix 1: Disable Conflicting Internal Bluetooth AI responses may include mistakes
If you have recently purchased a budget-friendly pair of wireless earbuds or a Bluetooth speaker, there is a high probability that it is powered by a chip from . As one of the leading manufacturers of Bluetooth audio chips in the world, Jieli provides the internal hardware for countless consumer electronics.
Follow these steps in order to get your Jieli BR21 device working. Method 1: Force Windows Update (Recommended)
