How to factory reset D-Link DIR-620 rev B1 router – Default Login & Password

The D-Link DIR-620 rev B1 router has 300mbps WiFi, 4 100mbps ETH-ports and 0 USB-ports.
How to factory reset D-Link DIR-620 rev B1 - Default Login & Password

D-Link DIR-620 rev B1 default Password , Login & Gateway settings :

If you have performed a reset of your DIR-620 rev B1 device or not changed the defaults, you
be able to access it with the following settings
Default subnet mask:

How to factory reset (hard reset) D-Link DIR-620 rev B1 :

You can factory reset your D-Link DIR-620 rev B1 in the following way(s)
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 DIR-620 rev B1 router specifications :

System specs
CPU: 384 MHz
RAM: 32 MiB
Flash: 8 MiB
Custom firmwares: None
WiFi: 300mbps (bgn)
WiFi bands
WiFi throughput: n/a
1 x 100mbps port
4 x 100mbps ports
USB-ports: 0