Beyonwiz DP-H1 - Manual (Page 105)

Advanced Setup
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Please select the firmware on the file list and press the OK button to
start. It takes several minutes to complete upgrading. Please make sure
that your DP-H1 is NOT turned OFF until it finishes upgrading.
NOTE
z
If you cannot visually see the firmware upgrading from your PC or
device, please check the network configuration of your PC and DP-H1.