Users have reported that flashing firmware meant for the rebrand of this device will cause the FA4 screen to be inverted (upside down) and functional controls to be reversed.
Ensure the file is not inside a folder and that your SD card is formatted to FAT32. Some updates will not read from exFAT.
Non-functional or erratic touchscreens are a documented hardware and/or software issue for the FA4.
: There have been reports of MicroSD card corruption and non-functional touchscreens, with minimal direct support from the manufacturer. Obscure Chinese DAPs | Page 541 - Head-Fi F.audio Fa4 Firmware -FREE-
The FA4 digital audio player (DAP) houses genuinely impressive components. Key specifications include a powerful 1GHz CPU and a 6-layer gold PCB, which provides high-resolution audio format support up to DSD1024 and PCM768kHz. This robust platform handles even the most demanding audio files:
Better support for high-bitrate DSD files and specialized FLAC encoding types.
Some specialized Hi-Fi retailers maintain "Downloads" sections for the products they sell. Users have reported that flashing firmware meant for
If you need help tracking down a specific firmware build for your device, please tell me: What is your current ?
: Power on the device. Navigate to the System Settings menu, scroll down to Firmware Update , and select it.
Updating the firmware isn't just about getting a new version number. For the FA4, a firmware flash can provide: Key specifications include a powerful 1GHz CPU and
: Often sought as the "recovery" firmware for users who accidentally installed incompatible versions, as it restores the correct screen orientation and Bluetooth functionality. Known Issues & Software Limitations
use 9.2-based firmware if you do not have the specific FA4P (2025) variant, as it is designed to prevent user flashing, leading to a "bricked" user interface.
(upside-down) and controls may reverse, as this version was reportedly modified to prevent cross-compatibility. Version 8.1 (Mainland China)