Flash Belkin-F5D8235-4v2 in Nov. WebGUI problem. How to fix?

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jerryjyrer
DD-WRT Novice


Joined: 20 Dec 2017
Posts: 5

PostPosted: Wed Dec 11, 2019 0:39    Post subject: Flash Belkin-F5D8235-4v2 in Nov. WebGUI problem. How to fix? Reply with quote
I updated my Belkin-F5D8235-4v2 router with a firmware in Nov. The router's working in general. The webGUI is accessible but renders with some non-navigable page.

I did the 30-30-30 hard reset. Everything looks fine but not the GUI. It seems to ask me to change username, password with unreadable texts and non-working submit button. I couldn't get the exact version since it's no longer readable from the GUI but the firmware is from Nov 2019 as I remembered.

Now, I'm stuck with the initial state. Is there a way to do a firmware upgrade in this case or any fix?

I tried to
ssh/telnet: not accessible.

tftp:
https://wiki.dd-wrt.com/wiki/index.php/TFTP_flash
https://wiki.dd-wrt.com/wiki/index.php/Recover_from_a_Bad_Flash

but nothing works.

Any suggestion?
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kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 2689
Location: Texas, USA

PostPosted: Wed Dec 11, 2019 1:02    Post subject: Reply with quote
1) Telnet won't enable until you set a password for the webUI.
2) What browser are you using and what OS platform is the computer you are using to configure the device?
3) You may have flashed a bad build. You may wish to try TFTP/Recover from bad flash to today's build:
https://download1.dd-wrt.com/dd-wrtv2/downloads/betas/2019/12-10-2019-r41686/Belkin-F5D8235-4_v2/

_________________
E4200 v1 DD-WRT 41686 mega (12/10/19) (K3.x)
R7000P DD-WRT 40270M kongac
E4200 v1 FreshTomato 2019.3
E4200 v1 FreshTomato 2019.4.development
R7000 FreshTomato 2019.4.development
E4200 v1 1.0.07.development
WRT3200ACM OpenWRT 18.06.5
jerryjyrer
DD-WRT Novice


Joined: 20 Dec 2017
Posts: 5

PostPosted: Wed Dec 11, 2019 6:44    Post subject: Reply with quote
kernel-panic69 wrote:
1) Telnet won't enable until you set a password for the webUI.
2) What browser are you using and what OS platform is the computer you are using to configure the device?
3) You may have flashed a bad build. You may wish to try TFTP/Recover from bad flash to today's build:
https://download1.dd-wrt.com/dd-wrtv2/downloads/betas/2019/12-10-2019-r41686/Belkin-F5D8235-4_v2/


1) acked. Thanks. Do you know how to submit the form via URL (GET?) so that I can set the password from the initial page and then telnet will be available?
2) Chrome & Safari on Mac. Tried also Chrome on Windows10
3) definitely if I can find a way to flash Sad.

I tried tftp. No luck so far. I attached the screenshot here in case anyone know what to do.
Malachi
DD-WRT Guru


Joined: 17 Jul 2012
Posts: 7246
Location: Columbus, Ohio

PostPosted: Wed Dec 11, 2019 10:21    Post subject: Reply with quote
Way smaller pictures please.
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kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 2689
Location: Texas, USA

PostPosted: Wed Dec 11, 2019 13:06    Post subject: Reply with quote
You may wish to try IE or Edge on Win10, IE may actually work better OR Firefox ESR / Waterfox Classic OR Opera OR Pale Moon. The FF ESR Portable version in this post in another thread works:

https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1184556#1184556

As far as TFTP, not entirely sure if you can ping, power, put this one, but I found a thread on how to de-brick that might wind up being of some use if you can't seem to flash it normally or get TFTP to work:

https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=979124

_________________
E4200 v1 DD-WRT 41686 mega (12/10/19) (K3.x)
R7000P DD-WRT 40270M kongac
E4200 v1 FreshTomato 2019.3
E4200 v1 FreshTomato 2019.4.development
R7000 FreshTomato 2019.4.development
E4200 v1 1.0.07.development
WRT3200ACM OpenWRT 18.06.5
jerryjyrer
DD-WRT Novice


Joined: 20 Dec 2017
Posts: 5

PostPosted: Thu Dec 12, 2019 18:05    Post subject: Reply with quote
Malachi wrote:
Way smaller pictures please.


Yes sir.
jerryjyrer
DD-WRT Novice


Joined: 20 Dec 2017
Posts: 5

PostPosted: Thu Dec 12, 2019 18:11    Post subject: Reply with quote
kernel-panic69 wrote:
You may wish to try IE or Edge on Win10, IE may actually work better OR Firefox ESR / Waterfox Classic OR Opera OR Pale Moon. The FF ESR Portable version in this post in another thread works:

https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1184556#1184556

As far as TFTP, not entirely sure if you can ping, power, put this one, but I found a thread on how to de-brick that might wind up being of some use if you can't seem to flash it normally or get TFTP to work:

https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=979124


Edge on Win10 resulted the same to the screenshot above.
I'll try FF ESR. Hope it works. It looks like a similar problem from the screenshot in another post. Hope it works. I'll report here the result.

Thanks,
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