The following changes and improvements have been made in the new firmware:
1.Added a new function of renaming the Bluetooth device. (FiiO Control App->Setting menu->Custom device name)
2.Added new options to the APP: Custom button function, Long press/Double tap the volume button to switch songs. (You would need to install FiiO Music APP V3.0 or FiiO Control APP latest version)
3.Fixed the issue where there was no prompt when turning the device off and when plugging in earphones after the device is turning on.
4.Fixed the issue where under Bluetooth multipoint pairing, if Device A is answering a phone call and Device B also had one later, after Device B hung up, the voice of Device A could not be heard.
5.Fixed the issue of text misses under USB in-vehicle mode.
6.Miscellaneous bug fixes.
BTR5 FW2.0: Click here
How to update the BTR5: Click here
USB DAC Driver(v4.47.0): Click here