Uncheck and click OK . Fix 2: Restart the Bluetooth Support Service
If you absolutely must download software from these sources (which is not recommended), treat every file with extreme suspicion. Scan every executable with Windows Defender or Malwarebytes before running it. Do not assume that because a forum post says "Antivirus passed: Norton 2.30" that the file is safe. Jieli Ac4100 Bluetooth Driver
Low call quality or unusable mic: Many low-cost Bluetooth chips sacrifice microphone bandwidth to optimize battery life. Windows and some Android builds only support a narrow-band HFP codec by default, causing tinny voice quality. Solutions: check for firmware updates, use phones known to support wideband HFP with the accessory, or use a wired mic/headset for calls. Uncheck and click OK
To summarize:
Finding official drivers for Jieli chipsets can be challenging because Jieli is an Original Equipment Manufacturer (OEM) supplier. They rarely provide direct-to-consumer download portals. Instead, use these verified methods to obtain the correct driver: 1. Windows Update (Recommended) Do not assume that because a forum post
(often stylized as JL or Zhuhai Jieli) is a powerhouse in the consumer electronics industry. You may not have heard of the company, but you have almost certainly used its products. The Jieli AC4100 is one of their most popular system-on-chip (SoC) solutions, powering millions of affordable Bluetooth speakers, soundbars, headphones, and car kits worldwide.
Because Jieli supplies chips to hundreds of white-label manufacturers, these devices rarely carry the "Jieli" name on the packaging. Instead, they appear in Windows Device Manager under generic names like "Generic Bluetooth Radio," "BR21," or "Bluetooth Peripheral Device" with missing drivers.