How to update the firmware for ECHO NANO: 

1. Unzip the file and copy the xxx.img file to the root directory of the ECHO NANO's internal memory. Safely eject the device and restart it to begin the automatic upgrade.  

2. If you encounter any issues, please feel free to contact us.  

Note: Please remove the SD card from ECHO NANO before updating the firmware.

Video instruction: Click here

Updated at 2026-8-6

ECHO NANO V1.6.0 firmware changes are as follows:

1. Optimized the program's power-on sequence to improve system stability.

1.优化程序上电时序，提高系统稳定性。

ECHO NANO V1.6.0 firmware download link: Click here

Updated at 2026-7-27

ECHO NANO V1.5.0 firmware changes are as follows:

1. Fixed an issue where switching to the previous track would trigger an "unsupported format" error for OGG files.

2. Fixed an issue where ID3 tags were not displayed for some APE files.

3. Fixed an issue where ID3 tags were not displayed for some WMA files.

4. Other system optimizations.

1.修复OGG格式在切换上一曲时会提示不支持的问题

2.修复部分APE格式ID3信息不显示的问题

3.修复WMA格式ID3信息不显示的问题

4.其它系统优化

ECHO NANO V1.5.0 firmware download link: Click here

Updated at 2026-6-24

ECHO NANO V1.4.0 firmware changes are as follows:

 1. Fixed an issue where the battery display would show only three bars after the device was fully charged and powered on.

2. Optimized the previous track switching logic.

3. Optimized the media library loading speed.

4. Other system optimizations.

Note:

Previous track switching logic: When the current track has played for less than 3 seconds, switching to previous track will skip to the actual previous track and start playback;

when the current track has played for more than 3 seconds, switching to previous track will restart the current track from the beginning (0:00).

1.修复充满电开机会出现电量变成三格的问题

2.优化上一曲切曲逻辑

3.优化更新媒体库加载速度

4.其它系统优化

注：

上一曲切曲逻辑：在当前曲目播放到3S以内时，切换上一曲会跳转到当前曲目的上一曲并开始播放；而当曲目播放超出3S后，切换上一曲则会跳转到当前曲目的0S开始重新播放。

ECHO NANO V1.4.0 firmware download link: Click here

Updated at 2026-6-4

ECHO NANO V1.3.0 firmware changes are as follows:

1. Fixed an issue where album sorting disorder occurred for certain formats.

2. Fixed an issue where playback would revert to a fixed sequence after resuming from startup while in shuffle play mode.

3. Fixed a popping sound issue when resuming certain songs from startup.

4. Fixed an issue where switching drives would clear Favorites stored on the microSD card.

5.Fixed an issue where Media Library could not be updated on some micro-SD cards.

6. Fixed an issue where some normally playable songs might display "format not supported".

7. Optimized device charging time.

8. Other system optimizations.

1.修复M4A格式专辑排序错乱的问题

2.修复随机播放模式下开机续播后出现固定顺序的问题

3.修复个别歌曲开机续播出现爆音的问题

4.修复切换盘符会出现清空TF卡收藏的问题

5.修复部分TF卡更新媒体库不成功的问题

6..修复部分可正常播放的歌曲有概率出现格式不支持的问题

7.优化设备充电时间

8.其它系统优化

ECHO NANO V1.3.0 firmware download link: Click here

Updated at 2026-5-16

ECHO NANO V1.2.0 firmware changes are as follows:

1. Added CD number sorting under “Album Sorting”.2. Fixed the issue where playback progress was not retained when playing in “My Favorites”.3. Fixed the issue where garbled characters appeared when entering the “Artist/Genre” category.4. Other system optimizationsNote:Album Sorting: The sorting order is CD number -- Track number -- File name

1.新增专辑排序下的CD号排序

2.修复在”我喜欢“里播放时不能记忆续播的问题

3.修复进入“艺术家/流派”分类会显示乱码的问题

4.其它系统优化注：专辑排序：排序逻辑顺序为CD号--音轨号--文件名

ECHO NANO V1.2.0 firmware download link: Click here