Product Manual
Page 98
... DISCONNECT THE POWER DURING THE FIRMWARE UPDATE. D-Link Systems, Inc. 98 Some firmware updates may display an informational message telling you will restart. Your current version of the software should upgrade your version of the Media Server software. DSM-520 User's Manual Setup Version Automatically check for firmware update: Firmware updates are system software updates that correct known issues...
... DISCONNECT THE POWER DURING THE FIRMWARE UPDATE. D-Link Systems, Inc. 98 Some firmware updates may display an informational message telling you will restart. Your current version of the software should upgrade your version of the Media Server software. DSM-520 User's Manual Setup Version Automatically check for firmware update: Firmware updates are system software updates that correct known issues...