How to factory reset Buffalo WHR-300HP router – Default Login & Password

The Buffalo WHR-300HP router has 300mbps WiFi, 4 100mbps ETH-ports and 0 USB-ports.
It is also known as the Buffalo Buffalo AirStation HighPower N300 Wireless Router.
How to factory reset Buffalo WHR-300HP - Default Login & Password

Buffalo WHR-300HP default Password , Login & Gateway settings :

If you have performed a reset of your WHR-300HP device or not changed the defaults, you
should
be able to access it with the following settings
Default Network name (SSID): BUFFALO-XXXXXX
Default subnet mask: 255.255.255.0

How to factory reset (hard reset) Buffalo WHR-300HP :

You can factory reset your Buffalo WHR-300HP 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 WHR-300HP router specifications :

System specs
CPU: 400 MHz
RAM: 32 MiB
Flash: 4 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