How to get WNDR4000 back to stock firmware

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jpr993
DD-WRT Novice


Joined: 08 Dec 2011
Posts: 1

PostPosted: Thu Sep 27, 2012 18:52    Post subject: How to get WNDR4000 back to stock firmware Reply with quote
Hi there,

I have searched and can't seem to find anything on how to get my WNDR4000 back to stock firmware. I am currently using build NV64 19342 Mega and can't get it to see my NTFS USB drive. So, I want to change to stock.

Thanks is advance!
Jon
Sponsor
mywindow
DD-WRT Novice


Joined: 14 Sep 2012
Posts: 7

PostPosted: Wed Oct 03, 2012 13:23    Post subject: Restore Original Netgear WNDR4000 Firmware? Reply with quote
Restore is the same as others.
Read: TFTP
http://www.dd-wrt.com/wiki/index.php/TFTP_flash
and look at the WNDR3300 wiki:
http://www.dd-wrt.com/wiki/index.php/Netgear_WNDR3300#Reverting_.2F_recovery_tftp_mode

The basic process is this:
1.) Download the latest Netgear Firmware ver.1.0.0.82 to your home folder
http://www.downloads.netgear.com/files/WNDR4000-V1.0.0.82_8.0.71.chk

2.) Set static IP on wired PC (ip:192.168.1.10 mask:255.255.255.0 gw:192.168.1.1)

3.) Do a 30/30/30 and set the password on http interface when finished

4.) telnet -l root 192.168.1.1
erase linux
reboot

5.) On a linux desktop using atftp
atftp --option "mode octet" --option "timeout 180" --verbose --trace --put --local-file ~/WNDR4000-V1.0.0.82_8.0.71.chk 192.168.1.1

6.) Wait 5-10 min & the router is ok
Reboot router, Clear browser cache and return Static IP on computer to DHCP.


Reset the WNDR4000 to restore the default netgear password "admin/password"
OR
From a Telnet session to show the randomly generated password.
telnet -l root 192.168.1.1
nvram show |grep http_username= && nvram show |grep http_passwd=
gimik
DD-WRT Novice


Joined: 07 Mar 2014
Posts: 1

PostPosted: Fri Mar 07, 2014 19:44    Post subject: Reply with quote
Is this possible to do on a Windows desktop (ie. Step 5)? I don't run linux nor do I have access to such and I would like to return my WNDR4000 back to stock firmware.
sonofabit
DD-WRT Novice


Joined: 08 Jul 2014
Posts: 3

PostPosted: Tue Sep 30, 2014 7:41    Post subject: Reply with quote
can this be done from a windows machine? i entered the first command and it prompts me for the ddwrt login and i dont know what to enter, i tried the credentials that i set but that didnt work,

i would very much like to restore my wndr4000 back to stock but i am stuck Sad
Malachi
DD-WRT Guru


Joined: 17 Jul 2012
Posts: 2550

PostPosted: Tue Sep 30, 2014 9:43    Post subject: Reply with quote
When using telnet the username is always root and the password is whatever you set it up to be. If you didn't set one then it's admin.
_________________
I am far from a guru, I'm barely a novice.
sonofabit
DD-WRT Novice


Joined: 08 Jul 2014
Posts: 3

PostPosted: Tue Sep 30, 2014 16:06    Post subject: Reply with quote
thank you indeed this did the trick! I was able to flash back the original stock firmware and now all my problems have gone away.

never doing that again, i'm sure it was all my fault but dd-wrt was a total nightmare. glad to be back on stock, thanks again!
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