Buffalo WZR-1750DHP Firmware Upgrade Successfully (r31571)

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doyoyob
DD-WRT Novice


Joined: 07 Mar 2017
Posts: 10

PostPosted: Tue Mar 07, 2017 3:57    Post subject: Buffalo WZR-1750DHP Firmware Upgrade Successfully (r31571) Reply with quote
I have a Buffalo WZR-1750DHP, but it seems not working well with Chromecast Ultra, so I upgraded it with DD-WRT firmware. Before I flash it to DD-WRT, router was running an official Buffalo firmware, version 2.29. It seems this is the latest firmware for WZR-1750DHP. That means you don't have to downgrade your firmware, I mean if it works probably also works with earlier versions. So far it seems working well, so this is what I did Very Happy

(1) Pull the plug, waiting the router cooling down for about 1 hr.
I don't think it is necessary or you have to do, but while I pulled the plug my router was extremely hot. I think you can skip this step.

(2) Download DD-WRT firmware & official firmware incase something went wrong.
Downloaded the latest DD-WRT firmware 03-04-2017-r31571.
You can find it from router database, go to Downloads › betas › 2017 › 03-04-2017-r31571 › buffalo_wzr-1750dhp, download both of them.
Incase something goes wrong I also downloaded Buffalo's official firmware 2.29 & 2.03, you can find them on this page.
http://buffalo.jp/download/driver/lan/wzr-1750dhp.html <- this is the Japanese version, but I think you can also find them from their US or EU website too. But nothing went wrong so I did not use them.
Also you can find the US version Buffalo official DD-WRT firmware from this page if you wanna try it.
http://www.dslreports.com/hardware/Buffalo-WZR-1750DHPD-h4105

(3) Plug the router in & execute a 30/30/30 reset.
By simply hit the Reset button on the bottom of the router for 30 sec, then pull the plug left the device another 30 sec without power but still hold the Rest button, last plug it back again but still hold the Rest button for another 30 sec. If you have a timer set it to 90 sec so you can do it properly. The Rest button for this device is very difficult to hit, because there is a frame around the device, so I find a pencil nib & duct tape it from the top of this Reset button hole.

(4) Switch the router off & turn it back.
After the 30/30/30 reset was executed simply just switched it off & turn it back by using the ON/OFF switch.

(5) Upgrade DD-WRT firmware from its web interface.
Use a browser type http://192.168.11.1 in login to its web interface. Find the Firmware Upgrade option, click the "Choose File ..." & find the firmware you downloaded at Step (2).
For the first time flash you router choose factory-to-dd-wrt.bin, execute it & just chill until it is done.
After the router restarted automatically access http://192.168.1.1 from your browser if nothing went wrong you will see the DD-WRT blue interface.

*Option
*(6) Flash it again with another firmware.
This time use buffalo-wzr-1750dhp-webflash.bin upgrade it from DD-WRT's web interface. You can skip this step I think.

That's all folks.

Screen shot
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Diamond
DD-WRT Novice


Joined: 05 Sep 2009
Posts: 10

PostPosted: Sat Jul 22, 2017 4:36    Post subject: Reply with quote
Hi,

did you try revert back to original firmware from Buffalo? How to do it?

Thanks
Wildlion
DD-WRT User


Joined: 24 May 2016
Posts: 492

PostPosted: Sat Jul 22, 2017 15:47    Post subject: Reply with quote
see my post in the Buffalo WZR-1750DHP Flashing

good luck finding the Buffalo customized ddwrt version... that is what I think the problem will be now
kooper2013
DD-WRT User


Joined: 10 Jan 2013
Posts: 60
Location: DE

PostPosted: Sat Jul 22, 2017 21:57    Post subject: Reply with quote
Wildlion wrote:
see my post in the Buffalo WZR-1750DHP Flashing

good luck finding the Buffalo customized ddwrt version... that is what I think the problem will be now


What about

http://www.dslreports.com/r0/download/2256011~3a4c693627cb311d9db219db0eabf179/wzr1750dhpd-v24sp2-23709c.zip

(login required)

from here:
http://www.dslreports.com/hardware/Buffalo-WZR-1750DHPD-h4105

?

I'll have a 1750DHP soon. Just read parts of the thread 1750 Flashing...

_________________
3xBuffalo WLI-H4-D1300
1xBuffalo WZR-D1800H
1xBuffalo WHR-HP-G300N
1xBuffalo WHR-1166D (stock f/w)
1xASUS RT-AC87U
1xTP710
Wildlion
DD-WRT User


Joined: 24 May 2016
Posts: 492

PostPosted: Sun Jul 23, 2017 15:24    Post subject: Reply with quote
Yep that one would work. Great find!

That is actually the version (23709c) that I have in my notes when I did it.
weput
DD-WRT Novice


Joined: 30 Dec 2017
Posts: 2

PostPosted: Sat Dec 30, 2017 0:44    Post subject: dumb question Reply with quote
Hi guys,....

I'm running my rowter with DD-WRT v24SP2- (03/24/14) std (SVN revision 23709) that came with it installed.


i have no real issues but sometimes (When the wife and kid are doing netflix) i feel like the wifi on the computer drops (all my divices are wifi)....


anyways, i was wondering if you'll recommend to upgrade or just do a 30/30/30
Brimmy
DD-WRT User


Joined: 29 Mar 2015
Posts: 381

PostPosted: Sat Dec 30, 2017 5:28    Post subject: Re: dumb question Reply with quote
weput wrote:
Hi guys,....

I'm running my rowter with DD-WRT v24SP2- (03/24/14) std (SVN revision 23709) that came with it installed.


i have no real issues but sometimes (When the wife and kid are doing netflix) i feel like the wifi on the computer drops (all my divices are wifi)....


anyways, i was wondering if you'll recommend to upgrade or just do a 30/30/30

Firstly, what is your DL and UL speeds from the ISP?...this will tell you if you would get dropped speeds due to just a low bandwidth. Secondly, have you ever tried to set up QoS?....this helps. Thirdly, on that router you can install almost any of the firmware that BS or kong posts here but there are some that work better than others, like BS r33006 is a good build. Lastly, you can also, on the BS and Kong firmware, configure the WIFI for better range and speeds and maybe your devices will take more advantage of it once it is configured properly.

I am currently using the BS r34008 build on my wzr1750 dhp and dhpd, yes i have both and i have no issues with that build and how my router is setup.
ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2032
Location: Canada

PostPosted: Sat Dec 30, 2017 5:39    Post subject: QoS wiki Reply with quote
QoS is good to look into. dd-wrt's QoS needs an overhaul, but that is another story. I only use QoS global limits and Service Priorities. Make sure to add some bulk (lowest priority) stuff as well.

https://www.dd-wrt.com/wiki/index.php/Quality_of_Service

My routers, I don't own a Buffalo router, are all currently running 34311 fine.

_________________
Before asking a question on the forums, update dd-wrt: Where do I download firmware? I suggest reading it all.

Some dd-wrt wiki pages are up to date, others are not. PM me if you find an old one, I am trying to update them.

Atheros:
TP-Link Archer C7 v2 x2 - WDS AP, WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - WDS Station
Linksys WRT400N - bricked
D-Link 615 C1 x 4 - not used
D-Link 615 E3 x 2 - not used
D-Link 825 B1 - WDS Station
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - WDS Station
TP-Link 1043nd v1, inactive, unstable hardware
UBNT loco M2 x2 - airOS

Broadcom
Asus N66U - backup Gateway
Netgear r6300 v1 - AP
Linksys E2500 - not used
Linksys EA2700 - not used
Linksys 160N v3 x2 - not used
Netgear WNDR3700v3 - not used
MediaTek
UBNT EdgeRouter X - Gateway, DHCP, QoS
srdeshpande
DD-WRT Novice


Joined: 27 Oct 2018
Posts: 2

PostPosted: Sat Oct 27, 2018 17:44    Post subject: Reply with quote
hi ian5142

I got buffalo wzr-1750DHP with firmware 2.29 and did the exact steps given by you (including the 30/30/30) however after I try to upgrade the firmware using r31571 from March 2017 I get message that the firmware is older than 2.27
Even tried to use the latest firmware from dd-wrt.com 37305 dated 10-10-2018
but get the same message about firmware being too old

any clues what I could be doing wrong ?

shree
ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2032
Location: Canada

PostPosted: Sat Oct 27, 2018 18:57    Post subject: Downgrade Factory firmware Reply with quote
Try and downgrade the factory firmware from here: http://buffalo.jp/support_ap/support/products/wzr_1750dhp-old.html
_________________
Before asking a question on the forums, update dd-wrt: Where do I download firmware? I suggest reading it all.

Some dd-wrt wiki pages are up to date, others are not. PM me if you find an old one, I am trying to update them.

Atheros:
TP-Link Archer C7 v2 x2 - WDS AP, WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - WDS Station
Linksys WRT400N - bricked
D-Link 615 C1 x 4 - not used
D-Link 615 E3 x 2 - not used
D-Link 825 B1 - WDS Station
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - WDS Station
TP-Link 1043nd v1, inactive, unstable hardware
UBNT loco M2 x2 - airOS

Broadcom
Asus N66U - backup Gateway
Netgear r6300 v1 - AP
Linksys E2500 - not used
Linksys EA2700 - not used
Linksys 160N v3 x2 - not used
Netgear WNDR3700v3 - not used
MediaTek
UBNT EdgeRouter X - Gateway, DHCP, QoS
srdeshpande
DD-WRT Novice


Joined: 27 Oct 2018
Posts: 2

PostPosted: Thu Nov 01, 2018 6:59    Post subject: Reply with quote
Hi Ian

Sorry for the delayed reply,
I downgraded the firmware to 2.27 from the link you provided
Inspite of this when I try to flash with the dd-wrt firmware it says that the firmware is older than 2.27

I have uploaded screen shot where you can see the message and the current router firmware details

Do buffalo routers have some sort of check that it does not allow dd-wrt firmware to be flashed

regards



buffalo-227.pdf
 Description:
screen shot of router firmware details and the message received when trying to flash with dd-wrt

Download
 Filename:  buffalo-227.pdf
 Filesize:  260.91 KB
 Downloaded:  73 Time(s)

kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 2275
Location: Texas, USA

PostPosted: Thu Nov 01, 2018 11:30    Post subject: Reply with quote
You have to downgrade OEM firmware to older than 2.27 or use TFTP:

https://wiki.openwrt.org/toh/buffalo/wzr-1750dhp

https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=176310&postdays=0&postorder=asc&start=0
weput
DD-WRT Novice


Joined: 30 Dec 2017
Posts: 2

PostPosted: Sat Dec 22, 2018 1:35    Post subject: official Buffalo DD-wrt build 30357 Reply with quote
Guys

I just learned this was released, so im posting it here as I assume you might be interested.

https://www.buffalotech.com/products/airstation-extreme-ac1750-gigabit-dual-band-open-source-dd-wrt-wireless-rou
Brimmy
DD-WRT User


Joined: 29 Mar 2015
Posts: 381

PostPosted: Sat Dec 22, 2018 5:03    Post subject: Reply with quote
That was released a long time ago. It is the 1750 DHPD which does come with a version of ddwrt which is 23709c if i remember from mine.

Also, all newer models of the 1750DHP/DHPD have been glued together making it harder to get to the serial connector inside, so if it is bricked it will be a little tricky/difficult to unbrick.
Wildlion
DD-WRT User


Joined: 24 May 2016
Posts: 492

PostPosted: Sun Dec 23, 2018 3:37    Post subject: Reply with quote
Brimmy wrote:

Also, all newer models of the 1750DHP/DHPD have been glued together making it harder to get to the serial connector inside, so if it is bricked it will be a little tricky/difficult to unbrick.


Yeah, I hate the stupid gluing, broke a case because of it.
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