D-Link DIR-610 A1

This device is NOT RECOMMENDED for future use with OpenWrt due to low flash/ram.
DO NOT BUY DEVICES WITH 4MB FLASH / 32MB RAM if you intend to flash an up-to-date and secure OpenWrt version onto it! See 4/32 warning for details.

1) This device does not have sufficient resources (flash and/or RAM) to provide secure and reliable operation.
This means that even setting a password or changing simple network settings might not be possible any more, rendering the device effectively useless. See OpenWrt on 4/32 devices what you can do now.

2) OpenWrt support for this device has ended in 2022.
19.07.10 was the last official build for 4/32 devices.

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Generic Router


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  • Please include only model specific information, omit bla,bla and put everything generic into separate articles
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  • base-system should lead the way, do not explain this again
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Have a look at this forum topic: https://forum.openwrt.org/t/how-to-install-openwrt-in-dir-610-a1/32839

  1. Factory reset the router with the dlink fimrware.
  2. Then i power off the router and configure my Ethernet adapter ipv4 of my pc with this values
    • IP:
    • Subnet:
    • and check validate the settings
  3. Now start the router in emergency mode in this way:
    1. Before you Power on your router, connect it to the LAN card on your computer
    2. Press and hold reset button and simultaneously connect your router to the power supply.
    3. If the power light is blinking after to connect. you can release the reset button, if not so try again.
    4. Now type in to your browser:
    5. Click “Upload firmware NOW”
    6. If everything is done correctly, router will reboot by itself after 90 sec
    7. Put back your ethernet adapter IP address to automatic
  4. When the router finish to install now can access to the administration ip that you set while configuring the router (192.168.x.1)
  5. Now we will do the same step but updraging from the OpenWrt page (System>Backup/Flash Firmware)
  6. Backup your settings if you want it
  7. Now navigate to “Flash new firmware image” keep selected “Keep settings”. Add the image that we downloaded in the emergency mode step: openwrt-18.06.1-ramips-rt305x-dir-610-a1-squashfs-sysupgrade.bin
  8. Now confirm upgrade and wait some minutes while the router is configuring
  9. When it was sucessfully upgraded it will show you the login page
  10. Now you can access normal, and can disconnect from the power your router, don't worry it take like 30 seconds starting the first time when you disconnect, then will be like 15 seconds.

And that's all now can enjoy of OpenWrt in DIR-610 A1 and now u will be able to power off/reboot the router correctly without issues.

:!: NOTE: New D-Link firmwares may contain new u-boot bootloader, so you may have problems with installing via emergency web interface.

The DIR-610 A1 router have an emergency HTTP web interface that is accessible at with this you can upload firmware if you accidently locked yourself out of the router or broke the installed firmware.

First, download a pre-compiled build for the DIR-610 A1. Download links see above. If you're flashing from the original D-Link firmware, use the factory builds.

:!: NOTE: Use the correct build for your hardware version! This can be found on the router itself or on the box it came in. e.g.: H/W Ver: A1.

  • To access the emergency web interface to flash the new firmware first unplug the power cable from the router, press and hold the reset button, plug the power cable back in while still holding the reset button and hold it for at least 5 seconds until the LED starts blinking, then release the reset button.
  • Attach a network cable to one of the LAN ports (1 to 4) on the router and the other end to your computers Ethernet port.
  • Set your computers Ethernet IP to: and the Subnet to

:!: NOTE: Disable any other interfaces present on your computer before proceeding, as example wireless interfaces, to minimize confusion.

  • Open a web-browser on your computer and access the emergency web interface at
  • Choose 'browse' and select your previously downloaded firmware file (.bin file extension).
  • Press 'upload' and watch the timer countdown from 90 seconds. At the end of the countdown the webpage will try to refresh but will fail.
  • At this point set your computers network interface to obtain an IP address automatically (DHCP) and it should obtain a new address in the 192.168.1.X range.

You can now login to your router flashed with OpenWrt via your web-browser at:

If you can't connect via your browser connect via SSH to, set a password (optional for now but recommended), enable WiFi, connect your routers WAN-Port to an existing network of yours, connect to the now open Wireless Network called “OpenWrt”, SSH into again, do opkg update and opkg install luci to get a web interface.

:!: NOTE: Upload may fail with modern browsers like Chrome, Safari, etc. If upload page times out or router restarts, use curl instead, i.e.:

curl --form filename=@openwrt-*-squashfs-factory.bin --form post=Upload\ firmware\ NOW

Found here http://forums.dlink.com/index.php?topic=11001.msg249218#msg249218.

If you have already installed a version of OpenWrt and you wish to upgrade your installation you can use sysupgrade.

  • First upload the new firmware on your device.
  • Then flash it with sysupgrade.
scp openwrt-*-squashfs-sysupgrade.bin root@
sysupgrade /tmp/openwrt-*-squashfs-sysupgrade.bin

If you wish to reset your configuration you can add -n to sysupgrade.

FIXME Find out flash layout, then add the flash layout table here (copy, paste, modify the example).

Please check out the article Flash layout. It contains examples and explanations that describe how to document the flash layout.

FIXME The instructions below are for Broadcom devices and only serve as an example.
Remove / modify them if they do not apply to this particular device!

This section deals with

  • How you install OpenWrt from a device freshly opened
  • The steps required such as reset to factory defaults if the device has already been configured

Note: Reset router to factory defaults if it has been previously configured.

  • Browse to
  • Upload .bin file to router
  • Wait for it to reboot
  • Telnet to and set a root password, or browse to if LuCI is installed.

Specific values needed for tftp

FIXME Enter values for “FILL-IN” below

Bootloader tftp server IPv4 address FILL-IN
Bootloader MAC address (special) FILL-IN
Firmware tftp image Latest OpenWrt release (NOTE: Name must contain “tftp”)
TFTP transfer window FILL-IN seconds
TFTP window start approximately FILL-IN seconds after power on
TFTP client required IP address FILL-IN


FIXME These are generic instructions. Update with your router's specifics.

  • Browse to LuCI Upgrade URL
  • Upload image file for sysupgrade to LuCI
  • Wait for reboot

If you don't have a GUI (LuCI) available, you can alternatively upgrade via the command line. There are two command line methods for upgrading:

  • sysupgrade
  • mtd

Note: It is important that you put the firmware image into the ramdisk (/tmp) before you start flashing.


  • Login as root via SSH on, then enter the following commands:
cd /tmp
wget http://downloads.openwrt.org/snapshots/trunk/XXX/xxx.abc
sysupgrade /tmp/xxx.abc


If sysupgrade does not support this router, use mtd.

  • Login as root via SSH on, then enter the following commands:
cd /tmp
wget http://downloads.openwrt.org/snapshots/trunk/XXX/xxx.abc
mtd write /tmp/xxx.abc linux && reboot

Basic configuration After flashing, proceed with this.
Set up your Internet connection, configure wireless, configure USB port, etc.

FIXME Please fill in real values for this device, then remove the EXAMPLEs

The default network configuration is:

Interface Name Description Default configuration
vlan0 (eth0.0) EXAMPLE LAN ports (1 to 4) EXAMPLE None
vlan1 (eth0.1) EXAMPLE WAN port EXAMPLE DHCP

FIXME Please fill in real values for this device, then remove the EXAMPLEs

Numbers 0-3 are Ports 1-4 as labeled on the unit, number 4 is the Internet (WAN) on the unit, 5 is the internal connection to the router itself. Don't be fooled: Port 1 on the unit is number 3 when configuring VLANs. vlan0 = eth0.0, vlan1 = eth0.1 and so on.

Port Switch port
Internet (WAN) EXAMPLE 4

hardware.button on howto use and configure the hardware button(s). Here, we merely name the buttons, so we can use them in the above Howto.

FIXME Please fill in real values for this device, then remove the EXAMPLEs

The D-Link DIR-610 has the following buttons:

EXAMPLE Reset reset
EXAMPLE Secure Easy Setup ses
EXAMPLE No buttons at all. -
Architecture MIPS
Vendor Ralink
bootloader U-Boot
System-On-Chip RT288x/RT305x WiSoC
CPU/Speed MIPS24KEc@320 Mhz w/ 16KB I cache/16KB D cache
Flash-Chip Spansion S29GL032N90TFI04
Flash size 4096 KiB
RAM Winbond W9825G6JH-6
RAM 32 MiB
Wireless Ralink RT3050F 2.4ghz 802.11bgn
Ethernet integrated 5 x10/100E w/ vlan support swconfig
Internet no
USB no
Power external 5V / 1.0A, ⊕―כּ―⊖
Serial Yes

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Backside label:
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Note: This will void your warranty!

FIXME Describe what needs to be done to open the device, e.g. remove rubber feet, adhesive labels, screws, ...

  • To remove the cover and open the device, do a/b/c

Main PCB:
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port.serial general information about the serial port, serial port cable, etc.

How to connect to the Serial Port of this specific device:
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FIXME Replace EXAMPLE by real values.

Serial connection parameters
for D-Link DIR-610 A1
EXAMPLE 115200, 8N1

port.jtag general information about the JTAG port, JTAG cable, etc.

How to connect to the JTAG Port of this specific device:
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  • Last modified: 2024/02/12 08:58
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