How to factory reset CG6640A router – Default Login & Password

The Compal Broadband Networks CG6640A router has 300mbps WiFi, 4 Gigabit ETH-ports and 0 USB-ports.
How to factory reset CG6640A - Default Login & Password

CG6640A default Password , Login & Gateway settings :

If you have performed a reset of your CG6640A 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) CG6640A :

You can factory reset your Compal Broadband Networks CG6640A 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

CG6640A router specifications :

System specs
CPU: n/a
RAM: 128 MiB + 16 MiB
Flash: 16 MiB + 4 MiB
Custom firmwares: None
Connectivity
WiFi: 300mbps (bgn)
WiFi bands
2.4GHz
WiFi throughput: n/a
WAN
None
ETH
4 x Gigabit ports
USB-ports: 0