How to update the firmware for FiiO M27: Click here

Updated at 2025-12-25

M27 FW1.0.3 firmware changes are as follows:

1. Added Christmas, New Year and other festive themes under the Tape Mode. (Note: To ensure optimal display of festive themes, song covers will not be shown under some themes.)

2. Fixed the issue of occasional no output or pitch distortion issues in Bluetooth Receive Mode.

3. Fixed occasional output failure in USB Audio output for third-party apps.

4. Fixed minor touchscreen unresponsiveness in specific scenarios.

5. Miscellaneous performance improvements and bug fixes.

1.磁带模式新增圣诞、新年等节庆主题（请注意：为保证节庆主题效果呈现，部分节庆主题将不显示歌曲封面）

2.修复蓝牙接收模式几率性无输出或变调问题

3.修复第三方应用USB Audio输出几率性无输出问题

4.修复特定场景下触摸小几率失效问题

5.其他性能优化及Bug修复

M27 FW1.0.3 firmware download link:

Incremental firmware package: Click here

Full firmware package: Click here

Updated at 2025-12

M27 FW1.0.2 firmware changes are as follows:

1. Added optimized battery charging functionality (go to Settings - Battery to set a custom charge limit).

2. Added ALL TO DSD sampling rate options (enable under Settings - Audio - ALL TO DSD, with selectable upsampling to DSD64/DSD128/DSD256).

3. Added Car Mode functionality (enable under Settings - General - Car Mode or from the pull-down menu).

4. Added long-press Previous/Next buttons for fast-forward/rewind (supported in FIIO Music only).

5. Added option to remove third-party desktop icons.

6. Added auto-sleep timer option for Remote Control (under Remote Control - Settings).

Note: To ensure the system enters sleep mode properly, after remote control disconnects, if nothing is playing, the device will begin the sleep countdown. Once the remote control enters sleep mode, it cannot reconnect. To reconnect, open Remote Control on the M27 again and tap “Start,” then reconnect from your phone.

7. Fixed the issue where DS Audio may fail to play NAS songs.

8. Fixed the issue where there was no audio output when the USB HOST port was not in exclusive mode.

9. Fixed the occasional malfunction of Desktop Mode.

10. Fixed the issue where an overload popup could sometimes appear in Ultra High Gain Mode.

11. Fixed occasional stutters when switching between different apps.

12. Fixed the issue where charging might resume unexpectedly in Desktop Mode.

13. Fixed the issue where Bluetooth transmission could occasionally cause pitch alteration upon reconnection and playback.

14. Optimized song scanning speed.

15. Miscellaneous performance improvements and bug fixes.

1.新增优化电池充电功能（可前往设置-电池项中自定义充电百分比）

2.新增ALL TO DSD采样率选择

（可前往设置-音频-ALL TO DSD下开启，可选择升频至DSD64/128/256）

3.新增车载模式功能（可前往设置-通用-车载模式或下拉菜单开启）

4.新增长按上下曲键快进快退功能（仅飞傲音乐支持）

5.新增第三方桌面图标可移除选项

6.新增远程控制自动休眠时间选项（可前往远程控制-设置下选择）

7.修复DS audio播放NAS歌曲几率性异常问题

8.修复USB HOST端口非独占音频无输出问题

9.修复台机模式几率性失效问题

10.优化超级大耳模式下几率性出现过载弹窗问题

11.优化不同应用切换几率性卡顿问题

12.优化蓝牙接收模式几率性自动重启问题

13.优化蓝牙发射回连播放几率性变调问题

14.优化歌曲扫描速度

15.其他性能优化和Bug修复

Note: To ensure the system entering the standby state properly, the system with no playback will enter a countdown to sleep after the remote control connection is disconnected . Once the remote control enters sleep mode, it will become unconnectable. To reconnect the remote control, please enable the remote control function in the M27 and click 'Start', then reconnect from the mobile APP.

M27 FW1.0.2 firmware download link:

Incremental firmware package: Click here

Full firmware package: Click here

Updated at 2025-10

M27 FW1.0.1 firmware download link:

Incremental firmware package: Click here

Full firmware package: Click here