How to factory reset Arris NVG448BQ router – Default Login & Password

The Arris NVG448BQ router has Gigabit WiFi, 4 N/A ETH-ports and 0 USB-ports.
It is also known as the Arris 802.11ac Wireless DSL/FTTH Gateway for Vantage.

Arris NVG448BQ default Password , Login & Gateway settings :

If you have performed a reset of your NVG448BQ 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) Arris NVG448BQ :

You can factory reset your Arris NVG448BQ 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

Arris NVG448BQ router specifications :

System specs
CPU: n/a
RAM: 512 MiB + 128 MiB
Flash: 32 MiB
Custom firmwares: None
Connectivity
WiFi: Gigabit (abgn+ac)
WiFi bands
2.4GHz & 5GHz
WiFi throughput: n/a
WAN
1 x N/A port
ETH
4 x N/A ports
USB-ports: 0