I’ve owned the FAudio FA4 for a while, and they were already impressive IEMs with excellent technical performance and a unique tuning. However, the latest has completely elevated the experience.
Firmware updates are essential for any electronic device, as they enable manufacturers to refine and improve the device's functionality, security, and performance over time. For the FAUdio FA4, firmware updates are particularly critical, given the device's complex digital signal processing and high-resolution audio capabilities. By updating the firmware, FAUdio can address bugs, patch security vulnerabilities, and introduce new features, ensuring that the device remains compatible with evolving audio standards and technologies. faudio fa4 firmware upd
Updating the F.Audio FA4 firmware is a common way to resolve audio bugs, such as "crackling" at high volumes, and to improve system stability. Because F.Audio is a niche brand, official support pages are often in Chinese, and many users rely on community-shared links and mirrors. Latest Firmware Version As of early 2025, the latest reported version is V9.21 (released February 8, 2025) , specifically for devices with the serial number. An earlier stable community favorite is Update Instructions Check Serial Number: I’ve owned the FAudio FA4 for a while,
Here is a historical changelog compiled from FAudio release notes (based on common updates): For the FAUdio FA4, firmware updates are particularly
However, if you do have a device labeled (possibly a rebranded OEM model), here’s a general firmware update guide that applies to most TWS earphones.