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 M11：

The M11 supports online upgrade. If a new firmware is available and detected (with the M11 connected to Internet), you will find the update notification in the notification center. Then you can tap on it to enter the update menu for online upgrading.

If there's no update notification found, you can open the "Technical Support" app, enter the "Firmware Update" menu, then tap the "Check for updates" icon to check manually.

Also, the M11 can be upgraded locally using firmware package: Download the firmware file from FiiO website then copy the firmware package file to the internal memory or micro SD card; Open "Technical Support" app on the M11, enter the "Firmware Update" menu, and select the firmware package file to upgrade.

USB DAC driver for Windows 7/8/10: click here
How to access the storage in computer: Click here

Updated at 2020-12-30
M11 FW1.1.1firmware dowload: Click here
The following changes and improvements have been made to the FW1.1.1 compared to the FW1.1.0 on M11:
1. Added full-screen album cover display and spectrum display (can be set in FiiO Music settings -> Theme -> Now playing menu);
Note: In the spectrum display mode, click the title or artist display area activate the time progress bar; switch to the lyric page and then return to the cover page to hide the bar.
2. Added sorting by artist under the Album category;
3. Added displaying the total number of tracks in the track list;
4. Added a new function of switching between album list display or track list display under the Artist/Genre category;
5. Added support for using any image file as custom album cover;
6. Added a shortcut for toggling the All to DSD function in the pull-down shortcuts menu;
7. Added file sorting in FiiO Link mode;
8. Added sliding on the bottom control bar to skip tracks in FiiO Link mode;
9. Improved the progress bar display in the Now Playing menu;
9. Miscellaneous bug fixed.

Updated at 2020-08-03
M11 FW1.1.0 firmware dowload: Click here

The following changes and improvements have been made to the FW1.1.0 compared to the FW1.0.9 on M11:
1. Added global MQA support, and improved the MQA playback;
Note: When scanning for tracks, the app will detect whether the tracks are MQA or not, which may slow down the scanning speed if you have MQA tracks in your library.
2. Added displaying sample rates on the status bar (you can enable it in Settings -> Display -> Display sample rates);
2.1 This function is only available when playing music locally, and it does not work for the USB DAC, Bluetooth, USB Audio modes;
2.2 When playing MQA tracks, the status bar will display the original sample rates of the MQA track instead of the playing sample rates after fully unfolding, as requested by the MQA licensor.
3. Added 'enter sleep with one click' function (you can find the 'enter sleep' icon on the home page and tap on it to have the player enter sleep mode);
Note that when this function is performed, the player will also close the apps running in the background and turn off the screen to enter sleep mode. After that it can only be woken up by pressing the physical button;
4. Added support for screen rotation (can be set in the pull-down menu or in Settings -> General. The screen will rotate upside down when this option is enabled);
5. Added Eye Care Mode (can be set in the pull-down menu or in Settings -> Display);
6. Added battery level and volume level display for USB DAC, AirPlay and Bluetooth receiving modes;
7. Added quick-charge indication and charging animation (displayed in the lockscreen when connected to charger);
8. Added a new function of hiding the un-scanned or empty folders in Folder view menu (can be set in FiiO Music -> Settings -> Scan for music. When enabled, only the titles of the scanned tracks will be displayed in Folder view menu);
9. Added 'File size limit for album art' function (can be set in FiiO Music -> Settings. And after selecting a limit, the album art image whose file size exceeds this limit will not be displayed);
10. Added album art display in Folder view menu;
11. Fixed the issue where the input keyboard would be changed to the default keyboard after waking up the player with one click;
12. Fixed the issue where the DSD tracks could not be played in DLNA mode;
13. Fixed the issue where the Google account data could not be backuped;
14. Improved the Channel balance adjustment and increased the adjustment levels to 20 levels;
15. Miscellaneous improvements on performances.

Updated at 2020-03-27
M11 FW1.0.9 firmware dowload: Click here

The following changes and improvements have been made to the FW1.0.9 compared to the FW1.0.8 on M11:
1. Added Google Play framework(if you do not need it, you could unistall it from Settings->Apps->Google Play services);
2. Added FiiO Music widget(long press the homepage to pop up widget lists, and then choose FiiO Music to put it on the homepage);
3. Added grouping tracks by Album Artist category(You can select the Artist or Album Artist in the Settings->Artist List Display. This upgrade requires a database update, please scan for music again.);
4. Added a new feature of scrolling displaying the currently played track while in a playlist;
5. Added a new feature of automatically pausing the playback after playing for 2 minutes without any headphones plugged in, so as to avoid triggering playback by mistakes;
6. Added global USB Audio output (from now on you can get USB Audio with no SRC for all third-party apps; currently only the PCM format is supported, the DSD format will be added in future update);
7. Fixed the issue where the Gapless playback would not work when playing DSD tracks;
8. Fixed the issue where the WiFi connection might drop when the screen is locked;
9. Fixed the issue where a few types of tracks could not be played properly;
10. Fixed the issue where there might be noise when playing in Tidal with All to DSD set to ON;
11. Improved the sorting by Artist (now the articles 'the, a, an' at the beginning of the names will be ignored);
12. Improved the sorting of Japanese characters;
13. Improved the rule of HR audio quality classification (according to the JEITA standard);

Note:
If you have installed the FiiO Music standalone version before upgrading the firmware, there will be two FiiO Music icons on the home page after the upgrade. To restore it, you can go to Settings -> Apps -> FiiO Music, tap "DISABLE" and then "ENABLE".

Updated at 2020-01-10
M11 FW1.0.8 firmware dowload: Click here

The following changes and improvements have been made to the FW1.0.8 compared to the FW1.0.7 on M11:
1. Added In-vehicle mode (Settings -> General -> In-vehicle mode, if enabled, the player will power on/off automatically when vehicle engine starts/stops and the FiiO Music app can also switch accordingly);
2. Added manual item sorting for playlists;
3. Added 'screenshot by three-fingers swiping down' function;
4. Added a new play mode: play single once;
5. Added playback position and track remembering;
6. Added a new method to enable volume adjustment by swiping up in FiiO Music Now Playing screen, and also improved the volume bar operation (now you'll need to drag on the volume bar to adjust the volume instead of just tapping as before, so to avoid misoperations);
7. Fixed the issue where the playback would fail in the new version of Amazon Music;
8. Improved the effect of the equalizer and fixed the random equalizer failure issue;
9. Improved the display of the FiiO Music background;
10. Improved the display of the lockscreen album art;
11. Improved the All to DSD function and reduced its power consumption;
12. Miscellaneous bug fixed.

M11 FW1.0.7 firmware dowload: Click here

The following changes and improvements have been made to the FW1.0.7 compared to the FW1.0.6 on M11:
1. Added 'auto-search for lyrics and album art' function;
2. Added 'locate currently playing track with one click' function;
3. Added support for Czech and Polish language;
4. Added support for reverting the firmware (after updating with a future new firmware, you can always choose to revert to this version);
5. Fixed issue where there might be interference noise when waking up the player from standby mode;
6. Fixed issue where the first track inside a folder would be missing from the file list;
7. Fixed issue where the app notifications would still pop up under Pure Music mode;
8. Fixed the stuttering issue when playing 384k tracks and output via Bluetooth;
9. Improved the display effect of the quick navigation bar;
10. Improved issue where tapping in the Now Playing menu might be detected as a sliding down gesture (for returning);
11. Miscellaneous improvements 

M11 FW1.0.6 firmware dowload: Click here

The following changes and improvements have been made to the FW1.0.6 compared to the FW1.0.5 on M11:
1.A brand new layout for the Home page and a new display of Settings;
2.Added Pure Music mode (can be switched in the pull-down shortcuts menu);
3.Added FiiO Link control via WiFi (now for the Android app, you can choose to connect and control FiiO devices via WiFi or Bluetooth; for the iOS app, it's only available via WiFi);
4.Fixed issue where the Idle poweroff timer would still take effect when using USB Audio output;
5.Fixed the delay issue of the Idle poweroff timer;
6.Fixed issue where the Bluetooth codec might be displayed as SBC when in LDAC receiving mode;
7.Fixed issue where the landscape display in some apps might be automatically switched to portrait display;
8.Fixed issue where closing the Chrome browser through the Recent Tasks would cause FiiO Music to stop playing;
9.Fixed issue where the player would reverse charge the MacBook Pro when they are connected via USB;
10.Fixed issue where the audio was distorted when playing FLAC 192k tracks through DLNA;
11.Fixed issue where the 'Skip through folders' function might work abnormally when 'Resume play' was enabled;
12.Improved issue where some characters of the track info were displayed incorrectly;
13.Miscellaneous bug fixes.

M11 FW1.0.5 firmware dowload: Click here

The following changes and improvements have been made to the FW1.0.5 compared to the FW1.0.4 on M11:

1. Added LDAC receiver function;
2. Improved the display of the boot animation;
3. Improved issue where there might be no output when using the player as USB DAC;
4. Improved the UI display of FiiO Music;
5. Fixed issue where some areas of the touch screen were unresponsive in landscape mode;
6. Fixed issue where clearing the recent tasks could not stop the apps from playing;
7. Fixed issue where there might be noise when playing some DSD tracks;
8. Fixed issue where the playback might be reset when playing some ISO tracks continuously;
9. Fixed issue where a few certain operations might cause output noise.

M11 FW1.0.4 firmware dowload: Click here

The following changes and improvements have been made to the FW1.0.4 compared to the FW1.0.3 on M11:
1.Added 'Applications' app (apk installer), which allows you to download and install some of the frequently used music apps (tools);
2.Fixed the USB DAC audio delay issue, and added support for 384Khz/32bit decoding and DoP mode;
3.Fixed the audio synchronization issue when playing some types of videos;
4.Fixed issue where there might be noise when plugging in the headphones;
5.Fixed issue where the player could not skip tracks automatically when the screen is off and would cause a popping sound when waking up the screen
6.Fixed issue where the file downloading might be interrupted when the screen is off;
7.Fixed issue where there would be no output when first playing audio within a webpage after powering on the player;
8.Improved the equalizer algorithm and its UI display;
9.Improved the FiiO Link function;
10.Miscellaneous improvements on the performance.

M11 FW1.0.3 firmware dowload: Click here

The following changes and improvements have been made to the FW1.0.3 compared to the FW1.0.2 on M11:
Fixed the compatibility issue between the SD card slot 1 and some brands of micro SD cards.