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To update the firmware on your F.Audio FA4 digital audio player (DAP), you must download the official update files and follow a specific installation procedure via a microSD card. 1. Official Download Links
F.Audio typically provides firmware updates and drivers through Baidu Cloud or direct merchant repositories.
Official Repository (Baidu Cloud): F.Audio FA4 Firmware & Drivers (Extraction code: 6666).
Alternative Mirror: The manufacturer also provides a link via The HiFiCat which includes the manual and XMOS third-party drivers for PC.
Version 9.2 (Community Shared): A community-tested update for the FA4P model (SN FA4P) is available on Cloud Mail and was discussed on the Head-Fi forums. 2. Pre-Update Preparation
Format your MicroSD card: Use a computer to format the card to exFAT for 64GB+ cards or FAT32 for cards under 32GB, with a 64KB allocation unit. faudio fa4 firmware upd
Charge the device: Ensure the battery has at least 50% charge (about 4.5 hours for a full charge with a ≥2Ais greater than or equal to 2 cap A charger) to prevent shutdown during the flash. 3. Update Steps
Extract Files: Unzip the downloaded firmware package on your computer.
Transfer to Card: Copy the firmware file (usually ending in .bin or similar) to the root directory of your formatted microSD card. Initiate Update: Insert the card into the FA4.
Navigate to System Settings > Firmware Upgrade (or Local Upgrade).
Confirm the installation and wait for the progress bar to complete. To update the firmware on your F
Post-Update: The device may boot in Chinese; you can change the language back to English in the system settings menu. 4. Key Troubleshooting & Improvements
Relay Clicking: A "click" sound during power cycles or format changes is normal mechanical relay operation and does not indicate a firmware error.
Fixes in v9.2: This version reportedly increases bass response and eliminates "crackling" sounds at volumes above 70 when using certain balanced connections.
Solution:
Unlike TWS earbuds (e.g., AirPods or Sony WF series), the FA4 does not have an internal System-on-Chip (SoC) capable of receiving OTA (Over-The-Air) updates. The "smart" component is the cable, not the earphone. Problem 3: After update, FA4 makes no sound Solution:
The FAudio FA4 is a high-fidelity IEM featuring a hybrid driver configuration.
If you own the Faudio FA4, you know you’re holding a piece of high-fidelity engineering. Whether you’re using it as a portable USB DAC/AMP or as part of a larger DSP setup, keeping the firmware up to date is crucial. Manufacturers often release updates to fix bugs (like popping noises), improve bit-perfect playback, or enhance compatibility with gaming consoles (PS5, Switch) and Android/iOS devices.
In this guide, I’ll walk you through the entire firmware update process for the FA4, step by step. Warning: Interrupting a firmware update can brick your device. Read this entire post before starting.
Solution:
Solution:
| Method | Steps |
|--------|-------|
| Mobile app | Download the brand’s app (e.g., “Faudio” if exists, or OEM app like “QCY”, “SoundPEATS”, “Haylou”). Pair earbuds → go to Settings → Firmware Update. |
| Manual file transfer (rare for TWS) | Download .bin or .dfu file → connect earbuds to PC via USB (some have a hidden USB mode) → copy file to internal storage. |
| Button-press update (older method) | Place both earbuds in case → press and hold button for 10+ seconds → update triggered by app. |