HIFIMAN HM-801 Firmware v0.23
Firmware instruction:
Please download firmware and decompress with winrar. Connect your HM-801 player to a PC via USB data exchange port. Copy the HM-801IMG file to onboard flash. Remove the USB connection from PC. You will be able to see firmware updating after you reboot the player. After updating is finished, reboot again. Then your HM-801 will be updated with the latest firmware.
Download link:
http://down.head-direct.com/HM-801_SFW_HCZ_V0.23_20120229.rar