@th3nanox
As H20Fidelity said.
If that does not work, you might try re-flashing the firmware using the iBasso Batch Tool (http://www.ibasso.com/uploadfiles/20151210/201512100333294318.rar).
As H20Fidelity said.
If that does not work, you might try re-flashing the firmware using the iBasso Batch Tool (http://www.ibasso.com/uploadfiles/20151210/201512100333294318.rar).