How to factory reset D-Link DIR-816 rev A1 router – Default Login & Password

The D-Link DIR-816 rev A1 router has Gigabit WiFi, 4 100mbps ETH-ports and 0 USB-ports. It has a total combined WiFi throughput of 750 Mpbs.
How to factory reset D-Link DIR-816 rev A1 - Default Login & Password

D-Link DIR-816 rev A1 default Password , Login & Gateway settings :

If you have performed a reset of your DIR-816 rev A1 device or not changed the defaults, you
be able to access it with the following settings
Default Network name (SSID): D-Link_DIR-816_5G
Default subnet mask:

How to factory reset (hard reset) D-Link DIR-816 rev A1 :

You can factory reset your D-Link DIR-816 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-816 rev A1 router specifications :

System specs
CPU: 580 MHz
RAM: n/a
Flash: n/a
Custom firmwares: None
WiFi: Gigabit (abgn+ac)
WiFi bands
WiFi throughput: 750 Mpbs
1 x 100mbps port
4 x 100mbps ports
USB-ports: 0