Install US-based DD-WRT Buffalo firmware on Japan WZR-300HP

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kid missileproof
DD-WRT Novice

Joined: 08 Jan 2014
Posts: 1

PostPosted: Wed Jan 08, 2014 2:58    Post subject: Success! Reply with quote
I purchased a Japanese WZR-HP-AG3004/EV and following chinaguys instructions, I was successfully able to upload the English version of the latest FM from Buffalo.

One thing I did run into.... I kept getting a weird error message when trying to log on to the maintenance page, turned out to a problem with Chrome... switched to Firefox and it worked fine.
DD-WRT Novice

Joined: 26 Jan 2014
Posts: 1

PostPosted: Sun Jan 26, 2014 7:34    Post subject: Reply with quote
Buffalo WZR-HP-G450HP Ver.1.86
I can not to do step 4.
Where and how to do activation telnet on router?

Joined: 22 Oct 2006
Posts: 187

PostPosted: Sun Jan 26, 2014 17:41    Post subject: Re: works also on WZR-HP-AG300H Reply with quote
Does the US firmware preclude you from using Channel 14, which is allowed in Japan? I've found my AG300H to be flaky with this; my Linksys WRT54GL has no problem.

fipile wrote:
thanks for putting together these instructions
Works fine on the japanese WZR-HP-AG300H

I upgraded to the US official v1.78 firmware as my intent is just to get rid of the regular loss of wifi connection on the 2.4ghz band that was not fixed with the official 1.72 from buffalo japan

will see if the US firmware helps...

WRT54GL v1.1 - DD-WRT v24-sp2 (04/07/12) vpn-small (SVN revision 18946M NEWD Eko)
WZR-HP-AG300H - DD-WRT v3.0-r30082 std (07/01/16)
DD-WRT Novice

Joined: 21 May 2015
Posts: 1

PostPosted: Thu May 21, 2015 15:26    Post subject: Stuck in "—- UNDER CONSTRUCTION — " Reply with quote
Sorry for the newbie question/problem, but I am trying to follow the instructions and I got stuck in the "—- UNDER CONSTRUCTION — " page. I tried to flush the cache of IE and Chrome but no different results. Any suggestions?

I am under win 8.1 and the router is th japanese WZR-300HP
DD-WRT Novice

Joined: 20 Dec 2015
Posts: 1

PostPosted: Sun Dec 20, 2015 9:08    Post subject: WHR-300HP Reply with quote
I just wanted everyone to know that I could successfully update my WHR-300HP Japanese firmware directly to DD-WRT firmware provided by Buffalo.

Buffalo provides DD-WRT firmware with the CD image. It is known as Professional image. You can download the firmware from the Buffalo US website (link below)

Additionally you can also download latest DD-wrt image from DD-wrt website. For me I could not find WHR-300HP in dd-wrt site but WHR-HP-G300N firmware is working since the hardware is similar. I think it is just difference in model name.
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