FiiO releases the new firmware FW1.0.4 for M7
The following changes and improvements have been made to the FW1.0.4 compared to the FW1.0.3:
1. Added Bluetooth receiver function;
2. Added USB DAC function;
3. Added dropdown menu;
4. Added HWA transmission;
5. Added 3 new digital filter modes;
6. Added option to delete track source file;
7. Added USB DAC driver to the internal storage (recognized as 'FiiO driver' by the computer);
8. Fixed the noise issue when locking screen in USB Audio output mode;
9.Fixed issue where some SD cards might not be recognized properly;
10.Fixed issue where some tracks whose file path contains comma could not be loaded from an m3u playlist;
11. Fixed issue where the folder path could not be remembered after exiting from an m3u playlist;
12. Fixed issue where some artist names of certain length were scroll displayed incorrectly in the Now Playing page;
13. Improved issue where some track titles were displayed incorrectly;
14. Miscellaneous improvements and bug fixes.
M7-Firmware 1.0.4 dowload link: click here
USB DAC Driver(v4.47.0): click here
Instruction of instaling USB DAC driver on Windows computer: click here
How to upgrade the M7:
a) Download the firmware file from FiiO website then copy the firmware package file(zip file) to the micro SD card;
b) Open "Technical Support" app on the M7, click "Firmware Update", and select the firmware package file to upgrade.