WHR-G300N

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Contents


First Time Flashing instructions

Buffalo, unfortunately, encrypts their firmware, and their routers will accept only encrypted firmware in the web interface.

WHR-G300N is now only supported by dd-wrt V24-preSP2, created by BrainSlayer .

The first time you flash, the TFTP method can be used to bypass this 'encrypted' firmware requirement. Afterwards, the router firmware can be changed through the Web interface normally.

TFTP flashing

The latest DD-WRT build has a new, easy, and safe way to flash a WHR-G300N router. To do this, just Tftp_flash the firmware.tftp image to 192.168.11.1 in the 1st three seconds of booting when the router is in recovery mode.


Serial flash

It is possible to flash this device through its serial interface. This is also handy for troubleshooting.

  • Solder pins to the 4 pin serial header near the Wi-Fi part:

  • Prepare TFTP server (located in the download area)
  • Download the latest DD-WRT WHR-G300N build to the root folder of the tftp, and rename it to firmware.bin
  • Set the IP address of the computer or device running the tftp server to 192.168.11.2/24
  • Set your console program to 57600, 8, n, 1
  • The boot timeout is 3 seconds, so you will have to be very fast with the next step
  • While powering on, the following message will display at the console:
---------------------
Please choose the operation:
1: Load system code to SDRAM via TFTP.
2: Load system code then write to Flash via TFTP.
3: Boot system code via Flash (default).
4: Entr boot command line interface.
9: Load Boot Loader code then write to Flash via TFTP.
---------------------
  • Select [4], and put in this command:
run ut_fw
  • Then, the firmware.bin image will be loaded from the tftp server and automatically flashed
  • After the automatic reboot, DD-WRT will be accessible at 192.168.1.1

Links

See this thread and thread linked within that thread for further guidance: http://www.dd-wrt.com/phpBB2/viewtopic.php?t=38307

Buffalo Technology Nfiniti™ Wireless-N Router & Access Point WHR-G300N:
http://www.buffalotech.com/products/wireless/nfiniti-wireless-n/nfiniti-wireless-n-router-access-point-whr-g300n/ (this model: 4+1 10/100 switch)

WHR-G300N's FCC application submitted 2008-Sep-09 approved 2008-Sep-10 (FCC ID: FDI-09101538-0):
https://fjallfoss.fcc.gov/oetcf/eas/reports/ViewExhibitReport.cfm?mode=Exhibits&RequestTimeout=500&calledFromFrame=N&application_id=818365&fcc_id='FDI-09101538-0' (Ralink 3052 F "RT3052F" SoC CPU Network Processor + WLAN Controller)


List of Buffalo AirStation devices:
http://en.wikipedia.org/wiki/AirStation

List of DD-WRT Supported Devices:
http://www.dd-wrt.com/wiki/index.php/Supported_Devices

Known Working Firmware

All of there are found in Downloads -> others -> eko -> BrainSlayer-V24-preSP2 -> (Firmware Number) -> WHR-G300N

12188

12387

12427