D-Link DCS-4625 User Manual page 61

Section 3: Configuration
Here you can update the camera's firmware. The current version of the firmware is shown next to the D-Link logo at the top of the page.
File Path:
To update the firmware, select a firmware file to use from your hard drive
by clicking Browse..., then click the Upload button.
Note: While the firmware is being update, do not close the web browser or
disconnect your camera's power or network connection until the update
is complete.
D-Link DCS-4625 User Manual
Firmware Update
61