If the device is stuck in storage mode, you may need usb-modeswitch to force it into audio mode using: sudo usb_modeswitch -v 0xe5b7 -p 0x0811 -W .
If it appears with a yellow exclamation mark, right-click it, select , and choose Search automatically for drivers . 2. Linux / Ubuntu Verification Linux users can verify the device using the terminal: Run lsusb to see if the Jieli Technology ID appears. jieli br21 driver verified
Windows typically uses the Generic USB Audio Driver for Jieli chips. Plug the device into a USB 2.0 or 3.0 port. Open (Right-click Start > Device Manager). If the device is stuck in storage mode,
If your computer sees it as a storage device or doesn't show the Bluetooth icon, it is likely because the device is in the wrong "mode" or is waiting for an audio connection. How to Install and Verify the Jieli BR21 Driver 1. Windows 10 & 11 (Auto-Recognition) Linux / Ubuntu Verification Linux users can verify
For firmware updates or technical datasheets, the official manufacturer is You can find their technical repositories and update tools on the Jieli-Tech GitHub or through authorized distributors like Axtekic Support .
Knowing your specific hardware setup will help in providing the exact pairing sequence.
Try a different USB port. Some Jieli chips are sensitive to USB 3.0 interference; use a USB 2.0 port if available.