SDK series (the AC4100 is often part of these families). These are generally leaked on Chinese forums (like ) or provided directly by Jieli to registered developers. 2. Understand the Bluetooth Stack
A: Check the manufacturer's website for updates and follow the on-screen instructions to install the updated driver.
A: The installation process varies depending on the operating system. Refer to the installation instructions provided in this article.
Quick checklist for users with AC4100 devices
In other words, the driver is for , not for everyday listening.