For developers or advanced users, Jieli provides the "JieLi (JL) Forced Upgrade Tool 4.0", a hardware tool that allows you to flash new firmware onto the chip [21†L4-L5]. This is not for general users trying to install a basic driver but rather for those needing to reprogram the chip's core functions.
: If your hardware is branded (e.g., Borofone BR21), you can find targeted driver files for Windows 10 Pro and other versions on DriverIdentifier . jieli br21 driver link
Regularly updating drivers is essential to ensure optimal performance, security, and compatibility. Benefits of updating Jieli BR21 drivers include: For developers or advanced users, Jieli provides the