There is no standalone "AC4100.exe" driver file on Jieli’s public website. Instead, the driver is part of the . When you plug an AC4100-based device into a PC via USB (while holding a specific button combination, usually "Volume Up" or "Play/Pause"), Windows will detect a device with the following hardware IDs:
the downloaded driver file to a folder you can easily find (e.g., Desktop). Right-click on the Start button and select Device Manager .
In Device Manager, right-click the Bluetooth driver, select "Disable," wait a few seconds, and select "Enable." Jieli Ac4100 Bluetooth Driver
Compatibility with both classic Bluetooth and Bluetooth Low Energy (BLE).
This site can scan your computer and find the exact AC4100 driver matching your specific device's hardware ID. Step-by-Step: Installing the Jieli AC4100 Driver There is no standalone "AC4100
If you do not have a dedicated installer, or if the installer fails, you can install the driver manually through Windows Device Manager.
Open (Win + I) and navigate to Update & Security > Windows Update . Click Check for updates . Right-click on the Start button and select Device Manager
Understanding and Installing the Jieli AC4100 Bluetooth Driver: A Complete Guide
When your PC flags a Jieli device as an "Unknown Device" or shows a yellow exclamation mark in Device Manager, you can resolve it using three primary methods. Method 1: Use Windows Update (Recommended)
The Jieli AC4100 driver is compatible with a wide range of Windows versions, spanning from legacy systems to modern releases. Supported Operating Systems: