How to factory reset D-Link DWR-922 rev C2 router – Default Login & Password

The D-Link DWR-922 rev C2 router has 300mbps WiFi, 4 100mbps ETH-ports and 0 USB-ports.
It is also known as the D-Link 4G LTE VoIP Router with Standard-size SIM Card Slot.
How to factory reset D-Link DWR-922 rev C2 - Default Login & Password

D-Link DWR-922 rev C2 default Password , Login & Gateway settings :

If you have performed a reset of your DWR-922 rev C2 device or not changed the defaults, you
should
be able to access it with the following settings
Default Network name (SSID): DWR-922-XXXX
Default subnet mask: 255.255.255.0

How to factory reset (hard reset) D-Link DWR-922 rev C2 :

You can factory reset your D-Link DWR-922 rev C2 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 DWR-922 rev C2 router specifications :

System specs
CPU: n/a
RAM: 64 MiB
Flash: 16 MiB
Custom firmwares: OpenWrt
Connectivity
WiFi: 300mbps (bgn)
WiFi bands
2.4GHz
WiFi throughput: n/a
WAN
1 x 100mbps port
ETH
4 x 100mbps ports
USB-ports: 0