How to upgrade the BTR11: Click here

Updated at 2025-05-28

BTR11 V01.02.09 firmware changes are as follows:

1.Adjust the volume curve to improve the issue of excessive minimum volume output.

1.调整音量曲线，改善最小音量输出音量偏大问题

BTR11 V01.02.09 firmware download link: https://fiio-firmware.fiio.net/BTR11/BTR11%20V01.02.09.bin 

Updated at 2025-01-09

BTR11 V01.02.07 firmware changes are as follows:

1. Improve the stuttering issue of LDAC encoded playback on cards with non-96k sampling

2. Improve playback at full volume When the headset is removed, it will not pause

3. Other performance optimization and bug fixes

1.改善LDAC编码非96k采样播放卡顿问题

2.改善满音量播放状态拔出耳机不会暂停问题

3.其它性能优化及bug修复

BTR11 V01.02.07 firmware download link:: Click here