How to hard reset D-Link DSL-2640B rev B3 router – Default Login & Password

The D-Link DSL-2640B rev B3 router has 54mbps WiFi, 4 100mbps ETH-ports and 0 USB-ports.
How to hard reset D-Link DSL-2640B rev B3 - Default Login & Password

How to hard reset (factory reset) D-Link DSL-2640B rev B3 :

You can hard reset your D-Link DSL-2640B rev B3 with ways bellow
With the reset button
Locate the reset button on the back off the router
While the unit is powered on, press the reset button with a sharp object (e.g. paperclip)
Hold the button pressed for 10 seconds, then release.
The unit will reboot by itself and once the WLAN light stops blinking the factory reset is done.
You can now setup your router again through the user interface

D-Link DSL-2640B rev B3 default Login & Password, factory settings :

If you have performed a reset of your DSL-2640B rev B3 device or not changed the defaults, you
should
be able to access it with the following settings
Default subnet mask: 255.255.255.0

D-Link DSL-2640B rev B3 router specifications :

System specs
CPU: n/a
RAM: 16 MiB
Flash: 4 MiB
Custom firmwares: OpenWrt
Connectivity
WiFi: 54mbps (bg)
WiFi bands
2.4GHz
WiFi throughput: n/a
WAN
None
ETH
4 x 100mbps ports
USB-ports: 0