Before attempting any update, you must know the current firmware running on your FA4. This information is typically found in the device's system settings menu, under an "About" or "System Information" section.
Until F.Audio decides to support their product with official firmware updates, the FA4 remains a cautionary tale of great hardware ruined by poor software and even worse support.
F.Audio FA4 Firmware Update: The Complete Guide to Optimization
If you are looking for the technical "story" on how to do this correctly, here are the essential steps:
This version reportedly increases bass response and eliminates "crackling" sounds at volumes above 70 when using certain balanced connections.
A firmware update for the FAudio FA4 is not merely a file; it is an optimization tool designed by the engineering team at FAudio to improve the way the internal drivers (likely a mix of dynamic and balanced armature drivers, depending on the revision) interact with input signals.
Place the firmware file (typically with an .ekf extension) onto the root directory of your SD card. Navigate to the system settings on your device to initiate the "Update" command.
