How to factory reset Google Chromecast Ultra (NC2-6A5-D) router – Default Login & Password

The Google Chromecast Ultra (NC2-6A5-D) router has Gigabit WiFi, N/A ETH-ports and 0 USB-ports.
How to factory reset Google Chromecast Ultra (NC2-6A5-D) - Default Login & Password

Google Chromecast Ultra (NC2-6A5-D) default Password , Login & Gateway settings :

If you have performed a reset of your Chromecast Ultra (NC2-6A5-D) device or not changed the defaults, you
should
be able to access it with the following settings
Default subnet mask: 255.255.255.0

How to factory reset (hard reset) Google Chromecast Ultra (NC2-6A5-D) :

You can factory reset your Google Chromecast Ultra (NC2-6A5-D) in the following way(s)
1. When the router is on, press the button reset and hold for 30 seconds.
2. While holding down the button reset, turn off the power of the router and hold down the button reset for 30 seconds
3. While holding down the button reset, turn on the power to the unit again and hold for another 30 seconds

Google Chromecast Ultra (NC2-6A5-D) router specifications :

System specs
CPU: 1.25 GHz
RAM: 1024 MiB
Flash: 128 MiB
Custom firmwares: None
Connectivity
WiFi: Gigabit (abgn+ac)
WiFi bands
n/a
WiFi throughput: n/a
WAN
None
ETH
None
USB-ports: 0