Note: When you click the links below to download the firmware, it indicates that you have already read and agreed to the  Open source licenses.

How to upgrade the M3 Pro:

Upgrade when the M3 Pro is powered on: Copy the firmware file to the root directory of the Micro SD card, go to system settings and click system upgrade. Note that do not unzip the file.

Upgrade when the M3 Pro is powered off: Copy the firmware file to the root directory of the Micro SD card, and then insert the card into the M3 Pro. Hold both the volume up and power button to enter the upgrade menu, and then release the button.

USB DAC driver for Windows 7/8/10: click here

Updated at 2021-5-24

M3 Pro FW1.1.1 firmware download: Click here (Backup link: Click here)

The following changes and improvements have been made to the new firmware FW1.1.1 of the M3 Pro：

1. Added a new function of user defined EQ.
2. Added a new function of zooming in the photo in the gallery by double tapping it.
3. Added a new function of user defined wallpapers from the gallery. (Photo Gallery->Photo->Tap "..." on the upper right corner)
4. Added a new function of adjusting the progress of the ebook. (On the ebook page, single tap the screen to wake up the menu at the bottom of the screen->tap "●")
5. Miscellaneous bug fixes.

Updated at 2020-09-30
M3 Pro FW1.1.0 firmware download: Click here

The following changes and improvements have been made in the new firmware:

1. Added car mode (system settings → car mode)
2. Added custom settings for volume buttons (system settings→Hold volume buttons)
3. Added new filter setting (play setting → filter)
4. Added battery indicator on lock screen interface
5. Added SQ, HR, DSD and other identifiers in the playback interface
6. Added support for viewing e-books and galleries from folders
7. Fixed the issue that in the folder entry, currently playing song can’t be located when go back to the playlist after playing a song 
8. Fixed the abnormal display of the cover of tracks
9. Fixed the issue that in All, Favorites and New list entrances, clicking the previous song button to switch to the previous song, the number of playlists will not change.
10. Fixed the issue that album name of cue song can’t be recognized
11. Optimized index logic
12. Optimized the garbled problem of some songs
13. Miscellaneous improvements on performances.

Updated at 2020-05-11
M3 Pro FW1.0.9 firmware download: Click here

Changes and improvements about the new firmware version are as follows:

1. Added the A-B repeat function (Go to Now Playing page->More operations->Start A-B Repeat to experience it).
2. Added the Recording shortcut on the drop-down menu.
3. Added the function that the volume is adjustable on the M3 Pro while in the USB Audio output mode.
4. Fixed the issue where the quick searching function was invalid on the Browse Files menu.
5. Improved the boot animation display.
6. Fixed issues of potential system freeze and auto reboot.
7. Improved the USB DAC function.
8. Miscellaneous improvements on performances.