How to factory reset D-Link DIR-518L rev A1 router – Default Login & Password

The D-Link DIR-518L rev A1 router has Gigabit WiFi, 1 100mbps ETH-ports and 0 USB-ports.
It is also known as the D-Link Wireless AC600 Dual Band Wall-Plug Cloud Router.
How to factory reset D-Link DIR-518L rev A1 - Default Login & Password

D-Link DIR-518L rev A1 default Password , Login & Gateway settings :

If you have performed a reset of your DIR-518L rev A1 device or not changed the defaults, you
should
be able to access it with the following settings
Default Network name (SSID): dlink-XXXX,dlink-XXXX-media
Default subnet mask: 255.255.255.0

How to factory reset (hard reset) D-Link DIR-518L rev A1 :

You can factory reset your D-Link DIR-518L rev A1 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-518L rev A1 router specifications :

System specs
CPU: n/a
RAM: 64 MiB
Flash: 8 MiB
Custom firmwares: None
Connectivity
WiFi: Gigabit (abgn+ac)
WiFi bands
2.4GHz & 5GHz
WiFi throughput: n/a
WAN
None
ETH
1 x 100mbps port
USB-ports: 0