The D-Link DIR-400 A1 router has 54mbps WiFi, 4 100mbps ETH-ports and 0 USB-ports. It also supports custom firmwares like: dd-wrt, OpenWrt
D-Link DIR-400 A1 default Password , Login & Gateway settings :
Default Gateway IP: 192.168.0.1
D-Link login instructions
Default username: admin
D-Link router default password list
Default subnet mask: 255.255.255.0
Default DNS server: 192.168.0.1
How to factory reset (hard reset) D-Link DIR-400 A1 :
You can factory reset your D-Link DIR-400 A1 in the following way(s)
With the reset button
Locate the reset button on the back off the router
While the unit is powered on, press the reset button with a sharp object (e.g. paperclip)
Hold the button pressed for 10 seconds, then release.
The unit will reboot by itself and once the WLAN light stops blinking the factory reset is done.
You can now setup your router again through the user interface
How to login to the D-Link DIR-400 A1 :
Make sure you are connected to the router’s network, either by Wi-Fi or ethernet cable.
Open your browser and visit
You should be prompted with a login dialogue.
Enter the username: admin
and if it requires a password, leave it empty or try with admin / password
You will now be logged in. If you haven’t yet changed the defaul password, we recommend that you change it first
thing you do after logging in.
D-Link DIR-400 A1 router specifications :
CPU: 182 MHz
RAM: 16 MiB
Flash: 4 MiB
Custom firmwares: dd-wrt, OpenWrt
WiFi: 54mbps (bg)
WiFi throughput: n/a
1 x 100mbps port
4 x 100mbps ports
DIR-400 A1 Firmwares
Staying up to date with the latest firmware is a good idea to keep your router even more
from various security flaws.
If you want to squeeze a little bit of extra functionality out of your router, consider
an open-source firmware like dd-wrt, openWRT or LEDE. Flashing a custom ROM can greatly
the stability and functionality of your old router.
Following are the firmwares that we have identified existing for the D-Link DIR-400 A1
Flashing dd-wrt on the D-Link DIR-400 A1
Since the DIR-400 A1 has 4 MiB of flash memory, you should choose a
stripped down version of dd-wrt that fits on the smaller flash.
Instructions on how to flash dd-wrt onto your D-Link DIR-400 A1 can be found
Note: Always make sure to read the wiki and howtos of dd-wrt before doing any
Flashing OpenWrt on the D-Link DIR-400 A1
The D-Link DIR-400 A1 is supported by OpenWrt according to their Table of
flashing OpenWrt onto it should be quite straigthforward.
To get started with the flashing, head over to the
OpenWrt instructions for DIR-400 A1 and they’ll take it from 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