The HAP Music Transfer app can't transfer files on macOS 11.3.1 or later. Follow these steps to change the SMB Version in the player:
- With the player in Standby mode, press and hold the HOME button, and then press the Power button. The Special Mode screen appears.
- Turn the jog dial to select SMB Version and press ENTER.
- Turn the jog dial to change from 1.0 - 3.1.1 (default value) to 1.0 and press ENTER.
- The screen will return to the Special Mode screen. Turn the jog dial to select Restart and press ENTER.
After the device restarts, use the HAP Music Transfer app to transfer files.