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→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.
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.