iUSBHD firmware v28 (latest)

  1. Save the attached firmware, "IUSBHD.SEF" into a USB thumb drive and keep the file name as it is.
  2. Insert the USB thumb drive into the device and power it up
  3. Wait till the screen on the device shows update "Vxx to v28", press the power button one time to proceed.
  4. Once the firmware update  is completed, the unit will be off

Bug fixed:

-Remove the Auto Power Off to address the issue of power off during transferring or playing file.

The firmware is attached here.

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