How to factory reset Netgear DGND3800B router – Default Login & Password

The Netgear DGND3800B router has 300mbps WiFi, 4 N/A ETH-ports and 0 USB-ports.
It is also known as the Netgear N600 Wireless Dual Band Gigabit VDSL2 Modem Router.
How to factory reset Netgear DGND3800B - Default Login & Password

Netgear DGND3800B default Password , Login & Gateway settings :

If you have performed a reset of your DGND3800B 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) Netgear DGND3800B :

You can factory reset your Netgear DGND3800B in the following way(s)
With the reset button
Have the router powered on (if just booted wait around one minute for it to load)
With a sharp pen or paper clip, press down the Restore Factory Settings button and hold it for about 7 seconds
When the power light starts to blink you can release the reset button and wait for the router to start up
The power light will be solid (not blinking) once the router is started.

Netgear DGND3800B router specifications :

System specs
CPU: 400 MHz
RAM: 128 MiB
Flash: 32 MiB + 128 MiB
Custom firmwares: OpenWrt
Connectivity
WiFi: 300mbps (abgn)
WiFi bands
2.4GHz & 5GHz
WiFi throughput: n/a
WAN
1 x N/A port
ETH
4 x N/A ports
USB-ports: 0
DGND3800B Firmwares
Staying up to date with the latest firmware is a good idea to keep your router even more
secure
from various security flaws.
If you want to squeeze a little bit of extra functionality out of your router, consider
flashing
an open-source firmware like dd-wrt, openWRT or LEDE. Flashing a custom ROM can greatly
increase
the stability and functionality of your old router.
Following are the firmwares that we have identified existing for the Netgear DGND3800B
Flashing OpenWrt on the Netgear DGND3800B
The Netgear DGND3800B is supported by OpenWrt according to their Table of
Hardware. So
flashing OpenWrt onto it should be quite straigthforward.
We couldn’t find any specific instructions for flashin OpenWrt on the Netgear
DGND3800B, but since it’s listed in their Table of Hardware as supported, you can
head
over to the
OpenWrt install instructions and read on there.
Note: Flashing custom firmwares is always on you’re on own risk. Make sure to
read OpenWrt’s wikis to understand the risks and how to proceed if something goes
wrong.
Netgear stock firmware for the DGND3800B
Stock firmwares for the DGND3800B are available under the download section on the
modem’s
support page. You can also refer
to the router’s manual for instructions on how to upgrade the firmware.