How to factory reset Buffalo AirStation WSR-600DHP router – Default Login & Password

The Buffalo AirStation WSR-600DHP router has 300mbps WiFi, 4 Gigabit ETH-ports and 0 USB-ports.
It is also known as the Buffalo Buffalo AirStation N600 Gigabit DualBand Wireless Router.
How to factory reset Buffalo AirStation WSR-600DHP - Default Login & Password

Buffalo AirStation WSR-600DHP default Password , Login & Gateway settings :

If you have performed a reset of your AirStation WSR-600DHP device or not changed the defaults, you
should
be able to access it with the following settings
Default Network name (SSID): Buffalo-A-XXXX,Buffalo-G-XXXX
Default subnet mask: 255.255.255.0

How to factory reset (hard reset) Buffalo AirStation WSR-600DHP :

You can factory reset your Buffalo AirStation WSR-600DHP 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

Buffalo AirStation WSR-600DHP router specifications :

System specs
CPU: 880 MHz
RAM: 64 MiB
Flash: 16 MiB
Custom firmwares: None
Connectivity
WiFi: 300mbps (abgn)
WiFi bands
2.4GHz & 5GHz
WiFi throughput: n/a
WAN
1 x Gigabit port
ETH
4 x Gigabit ports
USB-ports: 0