dir-825 b1 revert to factory image

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petem
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Joined: 18 Oct 2009
Posts: 31

PostPosted: Mon Feb 14, 2022 16:33    Post subject: dir-825 b1 revert to factory image Reply with quote
I was given a DIR-825 B1 router with dd-wrt version 3.0 on it.

It does have some intermitence on the wifi and I wanted to know if I could fix it. (replace the power supply and all the connection on the pcb was check and even some soldering was reflowed in case.)

The firmware was 3.0 but not current so I upgraded to DD-WRT v3.0-r48296 std (02/05/22)

I revert the nvram to factory and the wifi problem is still there.

Now I want to revert to factory firmware to check something and I just cannot find a solution to this.

I tried the firmware upgrade by the dd-wrt adminstration page. This does not work.

I then did the firmware recovery option (30 second reset) and send on the firmware recovery page (192.168.0.1) of the latest dir-825 bin from d-link. still does not revert to factory firmware.

Anyone got an idea what to do?

tks
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egc
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Joined: 18 Mar 2014
Posts: 10788
Location: Netherlands

PostPosted: Mon Feb 14, 2022 19:07    Post subject: Reply with quote
Moved to the appropriate Atheros forum.

See the forum guidelines with helpful pointers about how to research your router, where and what firmware to download, where and how to post and many other helpful tips:
https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087

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BrainSlayer
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PostPosted: Mon Feb 14, 2022 20:53    Post subject: Reply with quote
the dir825 b1 has a recovery web interface. just use it for flashing any image. original or not
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kernel-panic69
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Joined: 08 May 2018
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PostPosted: Tue Feb 15, 2022 1:15    Post subject: Reply with quote
Try using an antique version of Firefox / Firefox portable. D-Link Emergency room seems to like IE from Win7/XP or antique Firefox versions. You may wish to add an unmanaged switch between PC and router.
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servicetech
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Joined: 26 Jun 2019
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PostPosted: Tue Feb 15, 2022 11:02    Post subject: Re: dir-825 b1 revert to factory image Reply with quote
petem wrote:
I was given a DIR-825 B1 router with dd-wrt version 3.0 on it.

The firmware was 3.0 but not current so I upgraded to DD-WRT v3.0-r48296 std (02/05/22)

I revert the nvram to factory and the wifi problem is still there.
tks


A reported working dd-wrt build for your hardware was r43904
if you want to try before reverting to factory firmware.
kernel-panic69
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Joined: 08 May 2018
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Location: Texas, USA

PostPosted: Tue Feb 15, 2022 13:55    Post subject: Reply with quote
Optimum solution would be to provide screenshots of applicable settings and logs to see what's "broken" in current releases or if it is user-induced.
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petem
DD-WRT Novice


Joined: 18 Oct 2009
Posts: 31

PostPosted: Tue Feb 15, 2022 17:07    Post subject: Reply with quote
BrainSlayer wrote:
the dir825 b1 has a recovery web interface. just use it for flashing any image. original or not


Yes I've been using it to do the recovery of the router.

the device revert to the 192.168.0.1 ip adress and we can load a very small page where you can select a file on the computer then send it to the router.

If I sennd the original firmware from D-Link it pop up a fail. But another user said that the router dont like the new browser like chrome or firefox so I will try with a virtual machine running XP with IE we will see if that fix the case.
petem
DD-WRT Novice


Joined: 18 Oct 2009
Posts: 31

PostPosted: Tue Feb 15, 2022 17:08    Post subject: Reply with quote
kernel-panic69 wrote:
Try using an antique version of Firefox / Firefox portable. D-Link Emergency room seems to like IE from Win7/XP or antique Firefox versions. You may wish to add an unmanaged switch between PC and router.


Always have a switch between your router and computer when doing stuff like recovery. I know that windows does not like to have a cable state change while trying to tftp to a machine that is barely up Wink
petem
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Joined: 18 Oct 2009
Posts: 31

PostPosted: Tue Feb 15, 2022 17:14    Post subject: Reply with quote
kernel-panic69 wrote:
Optimum solution would be to provide screenshots of applicable settings and logs to see what's "broken" in current releases or if it is user-induced.


I am pretty sure it is a hardware problem.

Removing the moded firmware out of the equation will confirm it or not. I will then do more testing after flashing back a new firmware if the hardware is ok.

I've reflown a few parts that seemed sketchy to say the least. The old owner told me it had trouble right from the beginning with the wifi but he already had some external AP from ubiquity so he did not cared much about the router AP.
petem
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Joined: 18 Oct 2009
Posts: 31

PostPosted: Tue Feb 15, 2022 19:25    Post subject: Reply with quote
Well I did try the VM in bridge mode with my NIC that is connected to the switch on wich Lan 1 port is connected to the router. I was able to ping 192.168.0.1 and connect on the router recovery web page with IE no win Sad got the fail message and it did not recover

Is there a way to do the downgrade from the telnet CLI?

While I was on a meeting this morning I was looking at the bin file from d-link and from dd-wrt with 7zip to watch what was inside and they had a lot of difference but beside that could I just erase the content of the partition and try again the recovery? Could it be a simple space problem where the recovery mode does not have enough space to decompres the bin file I send?

Would the kernel provided by the dd-wrt installation be able to support the file system provided by d-link? are they basicly the same over or very different?
ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2285
Location: Canada

PostPosted: Tue Feb 15, 2022 20:39    Post subject: Firefox 13 portable Reply with quote
I have used Firefox 13 Portable for exactly this reason to recover several D-Link routers.

If you install the portable apps installer and then the appropriate version from here: https://sourceforge.net/projects/portableapps/files/Mozilla%20Firefox,%20Portable%20Ed./Mozilla%20Firefox,%20Portable%20Edition%2013.0.1/

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Atheros:
Netgear R7800 x3 - WDS AP / station, gateway, QoS
TP-Link Archer C7 v2 x2 - WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - NU
D-Link 615 C1/E3/I1 x 7 - 1 WDS station
D-Link 825 B1 - NU
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - NU
UBNT loco M2 x2 - airOS

Broadcom
Linksys EA6400 - Gateway, QoS
Asus N66U - AP
Netgear WNDR3700v3 - not used
MediaTek
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ervau
DD-WRT User


Joined: 28 Sep 2013
Posts: 308

PostPosted: Wed Feb 16, 2022 14:48    Post subject: Re: dir-825 b1 revert to factory image Reply with quote
servicetech wrote:
"A reported working dd-wrt build for your hardware was r43904."

The DIR-825b works fine with all FW-releases up to the most recent one FW 48362.
ervau
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