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 2025-06-21

The following changes and improvements have been made to the V2.05:

1.Fixed the issue where Bluetooth connection to certain mobile phones causes system crashes.

2.Fixed the noise problem that occurs when resuming playback after a pause when connecting via USB to certain mobile phones.

3.Fixed the connection issue between FiiO Control and some Android 13 phones.

4.Fixed the problem of Bluetooth reconnecting after unplugging a 4.4mm headphone.

1.修复蓝牙连接部分手机会死机的问题

2.修复usb连接部分手机，暂停播放一段时间后再播放会出现杂音的问题

3.修复部分安卓13手机连接不上fiio control问题

4.修复拔出4.4耳机蓝牙会回连问题

V2.05 Firmware download link: https://fiio-firmware.fiio.net/BTR7/BTR7_V2.05.bin  

Updated at 2024-04-26

The following changes and improvements have been made to the V2.02:

1. Added the option of defining the button function of volume up and down

   selecting songs in Bluetooth mode.

2. Added the function of self-defining the name of EQ.

3. Added filter types for EQ.

4. Fixed the issue where selecting Bluetooth priority and connecting to a

    computer for UAC playback would cause a sudden increase in volume for incoming calls.

5. Fixed abnormal battery icon display in low battery status.

6. Fixed the issues where noise and distortion would occur when playing after pausing

    when connected to a phone via USB, and where impulsing noise would occur during

    playback when unplugging and re-plugging USB.

7. Fixed the issue where noise and resetting would occur to playback in Bluetooth or

    USB 1.0 modes when enabling the EQ mode.

8. Fixed the issue where more than two characters would miss when playing music for

    the first time via USB decoding.

9. Fixed the issue where popping and stuttering sound would occur when switching tracks

    in Foobar while connected via USB.

10. Optimized the button logic if the screen was turned off, where pressing buttons will wake up the screen while performing the button function as well.

V2.02 Firmware download link: Click here

Updated at 2023-06-16

The following changes and improvements have been made to the V1.95:

1. Fixed the issue of text misses in short audios like prompt tones;

2. Fixed the issue of headphone input priority, so that the latter connected

    headphone will be prioritized;

3. Fixed the issue where it may switch to UAC playback when connecting to

    a mobile phone via Bluetooth and playing through UAC when there is a phone call;

4. Miscellaneous performance improvements and bug fixes.

V1.95 Firmware download link: Click here

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.

V1.88 Firmware download link: Click here

Updated at 2022-11-03

The following changes and improvements have been made to the V1.85:

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.

V1.85 Firmware download link: Click here

Updated at 2022-08-01

The following changes and improvements have been made to the V1.7.1: 

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.

V1.71 Firmware download link: Click here