How to update the firmware of M23: https://www.fiio.com/newsinfo/908670.html 

Updated at 2026-06-30

The following changes and improvements have been made to the FW1.0.4 compared to the FW1.0.3 on M23:

1. Added a new retro theme “Pod Mode”.

2. Added a new retro theme “Cassette Mode”.

3. Added system equalizer, Auto EQ, and community sharing features.

4. Optimized download speed in FIIO Market.

5. Optimized stability and smoothness of remote control.

6. Fixed an issue of occasional abnormality in Bluetooth transmission.

7.Other performance optimizations and bug fixes.

与 FW1.0.3 相比，M23的 FW1.0.4 做了以下更改和改进：

1.新增全新复古主题“Pod模式”

2.新增全新复古主题“磁带模式”

3.新增系统均衡器、Auto EQ及社区分享等功能

4.优化飞傲市场下载速度

5.优化远程控制稳定性及流畅度

6.修复蓝牙发射几率性异常问题

7.其他性能优化和Bug修复

M23 FW1.0.4 firmware download 

Full firmware package: Click here

Updated at 2024-04-29

The following changes and improvements have been made to the M23

in FW1.0.1:

System Upgrade:

1. Added a new function of HiFi Boost Mode (can be enabled in “Settings-Audio”, 

    which will provide higher output power in battery mode);

2. Added an option of indicator light following screen on/off (can be enabled in 

“Settings-Display-Indicator Light Control”);

3. Added new PEQ filter types and compressor sound effects for the system;

4. Fixed the issue where charging may continue after enabling the Desktop mode;

5. Optimized adapter compatibility of the POWER IN port;

6. Fixed the issue where it would not respond to the Play/Pause command by the

    RM3 remote control when playing music on Amazon Music;

7. Miscellaneous performance improvements and bug fixes.

Please note that under the HiFi Boost Mode, corresponding power consumption and

heat generation will also increase. Please decide whether to enable it based on actual

usage needs.

M23 FW1.0.1 Firmware download:

Full firmware package: Click here