How to factory reset Adtran 6304W router – Default Login & Password

The Adtran 6304W router has Gigabit WiFi, 4 Gigabit ETH-ports and 0 USB-ports. It has a total combined WiFi throughput of 1500 Mpbs.
It is also known as the Adtran EPON Residential Gateway (RG) Optical Network Unit.
How to factory reset Adtran 6304W - Default Login & Password

Adtran 6304W default Password , Login & Gateway settings :

If you have performed a reset of your 6304W device or not changed the defaults, you
be able to access it with the following settings
Default subnet mask:

How to factory reset (hard reset) Adtran 6304W :

You can factory reset your Adtran 6304W 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

Adtran 6304W router specifications :

System specs
CPU: n/a
RAM: 256 MiB
Flash: 128 MiB
Custom firmwares: None
WiFi: Gigabit (abgn+ac)
WiFi bands
2.4GHz & 5GHz
WiFi throughput: 1500 Mpbs
4 x Gigabit ports
USB-ports: 0