DIR-400 A1

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

Quick links:
Default password/Login
Login instructions
User Manuals
Flashing Custom Firmwares

DIR-400 A1 router specifications (specs)

Hard reset instructions for D-Link DIR-400 A1

If your DIR-400 A1 router is not working as it should, dropping connections or not being responsive, you should first do a reset of the router to see if the problems persist. Other scenarios where you might want to reset your router is if you've forgotten the password or misconfigured it and can't get access anymore.
Your can reset your D-Link DIR-400 A1 in the following way(s):

With the reset button

1. Locate the reset button on the back off the router
2. While the unit is powered on, press the reset button with a sharp object (e.g. paperclip)
3. Hold the button pressed for 10 seconds, then release.
4. The unit will reboot by itself and once the WLAN light stops blinking the factory reset is done.
5. You can now setup your router again through the user interface

The 30-30-30 reset

1. When router is powered on, press the reset button and hold for 30 seconds. (Use a paper clip or something sharp)
2. While holding the reset button pressed, unplug the power of the router and hold the reset button for 30 seconds
3. While still holding the reset button down, turn on the power to the unit again and hold for another 30 seconds.

This process usually works for resetting any router to it's factory setting.

Note: It is worth reading more about how to reset routers with the 30 30 30 reset and what the risks and considerations are when resetting your router this way, instead of just rebooting it.

Default factory settings for D-Link DIR-400 A1

How to login to the DIR-400 A1

To login to the DIR-400 A1 router and change the settings, you can follow these steps:

1. Make sure you are connected to the router's network, either by Wi-Fi or ethernet cable.
2. Open your browser and visit http://192.168.0.1
3. You should be prompted with a login dialogue.
4. Enter the username: admin and if it requires a password, leave it empty or try with admin/password
   Note: If you have already changed the password use that instead.
5. 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.

If these instructions don't work for your router, you can always try a factory reset to get the default, or try some other common D-Link credentials, as they can usually be shared across models/variants.

DIR-400 A1 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 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 on the dd-wrt wiki
Note: Always make sure to read the wiki and howtos of dd-wrt before doing any flashing.

Flashing OpenWrt on the D-Link DIR-400 A1

The D-Link DIR-400 A1 is supported by OpenWrt according to their Table of Hardware. So 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 wrong.

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