Netgear WNDR3800

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(Flashing Instructions - update build)
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|- |-
! Radio ! Radio
-| 1x 2.4 GHz and 1x 5 GHz+| 1x 2.4GHz and 1x 5GHz
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! WLAN Support ! WLAN Support

Revision as of 23:26, 13 May 2013

Hardware Information

Image:wndr3800-1.jpg

CPU Atheros AR7161
CPU Speed 680 MHz
Flash ROM 16 MB
RAM 128 MB
Radio 1x 2.4GHz and 1x 5GHz
WLAN Support a/b/g/n
WLAN Max Speed 300 mbps
Antenna Location Internal
Switch 4x GigE LAN + 1 GigE WAN

Flashing Instructions

If you have an WNDR3800 with stock firmware, and the version is greater than 1.0.0.16 - you will need to downgrade to atleast 1.0.0.16 - as of 1.0.0.18 or greater - Netgear has put a check in their firmware revisions to disallow anything but Netgear's firmware to be used from the webgui. It hasn't been confirmed if you can flash dd-wrt using TFTP with stock greater than 1.0.0.16

You will need these files for the flashing procedure.

If you have a North American model, you will need this for the initial flash.

ftp://ftp.dd-wrt.com/others/eko/BrainSlayer-V24-preSP2/2013/04-11-2013-r21223/netgear-wndr3800/wndr3800-factory_NA.img

If you have an EU or Asia model, you will need this for the initial flash.

ftp://ftp.dd-wrt.com/others/eko/BrainSlayer-V24-preSP2/2013/04-11-2013-r21223/netgear-wndr3800/wndr3800-factory.img

The other file located within the WNDR3800's dd-wrt dir is for upgrading to newer or older dd-wrt builds from within the dd-wrt webgui. Its naming scheme looks like so - wndr3800-webflash.bin

For going from 1.0.0.16 Netgear firmware to DD-WRT on a WNDR3800, installation goes like this:

  1. Set a static IP such as: 192.168.1.3 subnet:255.255.255.0 gateway:192.168.1.1 on the PC you will be using for the flash.
  2. Connect the PC to one of the router's LAN ports (unplug your ISP modem for the moment)
  3. Make sure to Reset to Defaults on the router prior to flashing. This can be done by performing a Hard Reset
  4. In your web browser, go to http://192.168.1.1
  5. Find the “Router Upgrade” in the menu and enter that section.
  6. Upload the .img firmware file, that you downloaded from the link above.
  7. Wait 5 minutes after the router says it is done.Make sure you clear your browsers cache between updating firmwares.
  8. Perform one more Hard Reset, then login at 192.168.1.1 and begin configuring.
  9. Enjoy dd-wrt and do not forget to donate if possible.
    • Should you want to use DHCP ip assignment, remember to un-set the static ip that you set in the above instructions.

    This unit was supported as of build 18687.

    For updating to a newer dd-wrt build, you should be able to use the wndr3800-webflash.bin mentioned above. Make sure to reset to defaults with a hard reset as listed above and download the appropriate dd-wrt build that you are wanting to update to. New builds can be found within the dd-wrt file server:

    ftp://ftp.dd-wrt.com/others/eko/BrainSlayer-V24-preSP2/