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How to Update Fiio M15 XMOS Firmware Version?

ByLydia Scott 2020-03-18 1272

FiiO M15 supports online upgrades. If the connection WiFi detects a new version, it will prompt you to update the new version in the notification bar. Click to enter the update page. You can also go to the firmware upgrade page of the FiiO official website to download the firmware and copy it to the memory card for upgrade. This post will show you how to manually upgrade the FiiO M15 version.

Preparation before Fiio M15 XMOS Upgrade

●Prepare a computer for Windows7/8/10 system (not supported by the XP system and MAC OS).

●Install the USB DAC driver provided by FiiO on your computer, version 4.47.0 required.

Download link:

●Download the upgrade tools and upgrade package files provided by FiiO


How to Update Fiio M15 XMOS?

Step 1: Set FiiO M15 to USB DAC mode, and then connect to the computer through the USB cable. The FiiO M15 screen displays "44.1kHz | 32bit" to indicate that the computer has recognized FiiO M15 properly.


Step 2: Double-click the "FiiODfu" to running this application, as shown in the following picture.


Step 3: As shown in the following figure, select "Browse " find the upgrade package file "m15_042_dfu" provided by FiiO, and open it when selected.


Step 4: Click "start" to start the upgrade. Do not operate the computer or FiiO M15 during the upgrade process.


Step 5: The upgrade progress bar is finished, and a "Firmware upgrade finished successfully" prompt appears in the tool interface, indicating that the upgrade is complete.


Step 6: After the upgrade is completed, the word "v0.42" should be displayed on the software interface, as shown in the following figure. After the software is closed, you can use FiiO M15 normally and experience the all-new USB DAC function.

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