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 BTR7：Click here

FiiO USB DAC driver: Click here

FiiO Control app: Click here

Note: Please update the FiiO Control to latest version first.

Updated at 2022-11-28

The following changes and improvements have been made to the FW1.88:

1. Changed wireless charging to not be controlled by the charging switch;2. Fixed the issue where MQA would be displayed without headphones in UAC mode;3. Fixed the issue where option errors may occur in the app after upgrade.

FW1.88 Firmware download link: Click here

Updated at 2022-11-03

The following changes and improvements have been made to the FW1.85:

1. Added a new function of 2 levels of self-defined EQ;

2. Added a new function of displaying connected devices(You could view the connected/disconnected devices from 'device list' option in the menu of BTR7);

3. Added a new function of auto-disabling Bluetooth under UAC mode;

4. Added a new function of 'Wake up the screen'(You could switch between 'Any button' and 'Power button only' to wake screen via the FiiO Control app. 'Any button' is set as default);

5. Added a new function of 'Menu operation'(You could switch between 'Press and hold the power button for 1s' and 'Double click theower button' for menu operation via the FiiO Control app. 'Press and hold the power button for 1s' is set as default);

6. Improved the function of UI interaction of EQ;

7. Miscellaneous bug fixes.

FW1.85 Firmware download link: Click here

Updated at 2022-08-01

The following changes and improvements have been made to the FW1.7.1: 

1. Added PEQ function (go to the EQ menu on the latest FiiO Control app for settings);

2. Changed the setting of aptX Adaptive to off by default (can be enabled on the FiiO Control app);

3. Improved the logic of UI display;

4. Improved the abnormal issue of answering phone calls through the 4.4mm headphone output;

5. Miscellaneous performance improvements and bug fixes.

FW1.71 Firmware download link: Click here