WNR3500L v1 big problem for me

Post new topic   Reply to topic    DD-WRT Forum Forum Index -> Broadcom SoC based Hardware
Author Message
immuno
DD-WRT Novice


Joined: 31 Mar 2020
Posts: 3

PostPosted: Tue Mar 31, 2020 21:50    Post subject: WNR3500L v1 big problem for me Reply with quote
I have a WNR3500L v1 netgear router
Last attempt to change the tomato firmware, no power.
The router does not respond to ping, it does not connect via a serial connection. Probably no cfe.













I have connected jtag and I have these symptoms.What to do next, how to upload cfe. What can anyone do to help?
Sponsor
thommy181
DD-WRT User


Joined: 16 Mar 2019
Posts: 139
Location: Szczecin, Poland EU

PostPosted: Tue Mar 31, 2020 22:26    Post subject: Reply with quote
You can try to send firmware file via serial cord and correct port on router motherboard. Debrick tutorial you have on youtube service. Probably is similar for wnr3500l v2. You must have tftp software for this operation and putty. Probably debrick v2 router is similar to v1. I have v2 one and I'm flash with serial cord with success
immuno
DD-WRT Novice


Joined: 31 Mar 2020
Posts: 3

PostPosted: Tue Mar 31, 2020 22:36    Post subject: Reply with quote
Thanks, I wrote that the serial connection or serial does not work. Probably the only chance by jtag but I don't know how? On the router only the green power LED is on and the wifi LED is on, I forgot to write about it.
kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 7444
Location: Texas, USA

PostPosted: Tue Mar 31, 2020 23:04    Post subject: Reply with quote
You must've really borked it to require jtag.

https://wiki.dd-wrt.com/wiki/index.php/Serial_Recovery

https://wiki.dd-wrt.com/wiki/index.php/Tftp_flash

https://github.com/jclehner/nmrpflash

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

https://wiki.dd-wrt.com/wiki/index.php/JTAG

_________________
Official Forum Rules, Guidelines, and Helpful InformationFirmware FAQInstallation WikiWhere Do I Download Firmware?
DON'T use Chromium-based browsersRTFM/STFW - TL;DR is NOT an excuse. • Why Should I Care What Color the Bikeshed Is?
Please DO NOT PM me with questions; Ask in the forum.

---------------------------------------------------------

Linux User #377467 counter.li.org / linuxcounter.net
thommy181
DD-WRT User


Joined: 16 Mar 2019
Posts: 139
Location: Szczecin, Poland EU

PostPosted: Wed Apr 01, 2020 13:17    Post subject: Reply with quote
immuno wrote:
Thanks, I wrote that the serial connection or serial does not work. Probably the only chance by jtag but I don't know how? On the router only the green power LED is on and the wifi LED is on, I forgot to write about it.

If green led light I think your device is operating without network fumctions available. You can try to force tftp mode. Like that: https://www.youtube.com/watch?v=0K8sVuCrPt4 Alternate you can flash router with serial cord and correct software. Like that: https://www.youtube.com/watch?v=o5AOH3Jl7VA Your router is not totally bricked. I have many with bootloop and other problems and I can fully reactivation it. Your problem isn't big. You have small soft brick, because your device is operate (green led, wifi led...)
immuno
DD-WRT Novice


Joined: 31 Mar 2020
Posts: 3

PostPosted: Wed Apr 01, 2020 20:26    Post subject: Reply with quote
The green power diode shines brightly, while the blue one from wifi shines slightly.
thommy181
DD-WRT User


Joined: 16 Mar 2019
Posts: 139
Location: Szczecin, Poland EU

PostPosted: Wed Apr 01, 2020 21:34    Post subject: Reply with quote
Fix procedure should be the same. Router haven't bootloop and other problems. Probably it work, but you haven't access to this device. Jtag method can be harder to use. Try two above methods to fix device.
Display posts from previous:    Page 1 of 1
Post new topic   Reply to topic    DD-WRT Forum Forum Index -> Broadcom SoC based Hardware All times are GMT

Navigation

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You can attach files in this forum
You can download files in this forum