TP-Link WR740N: DD-WRT to WebRevert firmware Upgrade Failed

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ginzon
DD-WRT User


Joined: 23 Jun 2014
Posts: 74

PostPosted: Fri Aug 22, 2014 4:57    Post subject: TP-Link WR740N: DD-WRT to WebRevert firmware Upgrade Failed Reply with quote
Hi Guys,

I re-tired flashing DD-WRT July 23, 2014 firmware and checked back that my WAN won't work.
Now I'm trying to get back to TP-Link original firmware by using the WebRevert file from the sticky section but I'm getting Upgrade Failed from DD-WRT and even if it says Upgrade Successful DD-WRT is loaded and not the TP-Link one. Pressed the Hard Reset button for about 30seconds but still the same. It ain't even accepting older DD-WRT firmwares(web flash files).

I've tried this before n it worked well but this time it ain't working...
Can't use the router coz of this state now..
Can anyone help me out on what can be done..

Hoping for something that can get it back..

_________________
TP-Link: TL-WR740N
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ginzon
DD-WRT User


Joined: 23 Jun 2014
Posts: 74

PostPosted: Fri Aug 22, 2014 10:07    Post subject: Reply with quote
Bump

Help needed.. Someone..

_________________
TP-Link: TL-WR740N
danymarc
DD-WRT Guru


Joined: 04 Nov 2012
Posts: 525
Location: Acapulco, Mexico

PostPosted: Fri Aug 22, 2014 11:13    Post subject: Reply with quote
this is not an easy one and some have bricked rheir router

1. You will have to flash via WinScp and before enable the ssh daemon (service)? If not, SSH administration will be greyed out and disabled. You need to enable both the service and the administration.

2. Upload the web revert (dd-wrt to stock)file using Winscp in the /tmp folder of your router.

3. Connect with Putty and give this commands:

cd /tmp

mtd -r write xxx.bin linux
NOTE: the original post (http://www.dd-wrt.com/phpBB2/viewtopic.php?t=263149&postdays=0&postorder=asc&start=135 Bajramo reads
write tl-wr841nv3_webrevert.bin linux, LOM corrected one of my posting Webrevert is only ment to be use with WEB-UI, and this poster says it worked 100 % here you can download a stripped FW for 740 ftp://tplink-forum.pl/orgin_bez_boot/
Every command at once hitting Enter.

Wait for the flashing to complete then restart and reset to factory defaults.

it is not the last version just upgrade normally after flashing this one
At your own risk

_________________
TP-Link: TL-WR741ND V4
TP-Link: TL-WR842ND V2
ginzon
DD-WRT User


Joined: 23 Jun 2014
Posts: 74

PostPosted: Fri Aug 22, 2014 12:06    Post subject: Reply with quote
Ok this looks risky but do I have an option Sad ..

Will retry again the basic methods n if it doesn't work will surely try this one..

Thx for the reply Smile

Alongside I'm also looking for a cheap but good router coz I have the feeling that I will surely brick it... Very Happy Razz

May be this, Asus RT-N10E Wireless-N150..

But First I'll try my TP-Link and post an update.. Hope it works..

_________________
TP-Link: TL-WR740N
ginzon
DD-WRT User


Joined: 23 Jun 2014
Posts: 74

PostPosted: Fri Aug 22, 2014 18:27    Post subject: Reply with quote
Woo..!! Thankfully I didn't need to do the SCP method...

I had completely plugged out my Router for long and after I connected tried the webrevert via GUI and in the first attempt itself it happened...
Great..

Thanks for the help anyways.. May be helpful some other time Razz

_________________
TP-Link: TL-WR740N
rlindon
DD-WRT Novice


Joined: 03 Jan 2012
Posts: 2

PostPosted: Wed Aug 27, 2014 4:06    Post subject: Reply with quote
Here goes my downgrading contribution to the community, based on danymarc and everyone here! Thanks!

1 On DD-WRT:
1.1 Under Services, Secure Shell, SSHd: check enable, then click Apply Settings button;
1.2 Under Administration, Remote Access, SSH Management: check enable, then click Apply Settings button;

2 Download and install WinSCP (http://winscp.net);

3 Download corresponding firmware from ftp://tplink-forum.pl/orgin_bez_boot/

4 Download putty (http://www.putty.org/)

5 On WinSCP:
5.1 Select New Site;
5.2 File protocol: SCP;
5.3 Hostname: 192.168.1.1 (or your router IP);
5.4 Username: root
5.5 Password: your admin pass
5.6 Drag downloaded firmware from Download folder and drop in /tmp
5.7 (Important, I think...) On Transfer Settings, select Binary
5.8 Transfer;

6 On putty;
6.1 Login on 192.168.1.1 (user root and pass);
6.2 Type:
cd /tmp (Enter)
mtd -r write xxxxx.bin linux (Enter) (Sure, replace xxxx with your firmware filename...)

7 It worked for me in a tp-link wr740n v4.22;

8 Use at your own risk. (I cannot confirm if it will work on your model, router, etc.)

9 Sorry for my poor english;

10 My sucessfull log downgrading a tp-link wr740n v4.22:

login as: root
DD-WRT v24-sp2 std (c) 2014 NewMedia-NET GmbH
Release: 06/23/14 (SVN revision: 24461)
root@192.168.1.1's password:
==========================================================

____ ___ __ ______ _____ ____ _ _
| _ \| _ \ \ \ / / _ \_ _| __ _|___ \| || |
|| | || ||____\ \ /\ / /| |_) || | \ \ / / __) | || |_
||_| ||_||_____\ V V / | _ < | | \ V / / __/|__ _|
|___/|___/ \_/\_/ |_| \_\|_| \_/ |_____| |_|

DD-WRT v24-sp2
http://www.dd-wrt.com

==========================================================


BusyBox v1.22.1 (2014-06-23 09:09:57 CEST) built-in shell (ash)
Enter 'help' for a list of built-in commands.

root@DD-WRT:~# cd /tmp
root@DD-WRT:/tmp# mtd -r write wr740nv4.bin linux
Unlocking linux ...
Writing from wr740nv4.bin to linux ... [w]
root@DD-WRT:/tmp#
ginzon
DD-WRT User


Joined: 23 Jun 2014
Posts: 74

PostPosted: Wed Aug 27, 2014 11:38    Post subject: Reply with quote
rlindon wrote:


Thx a lot buddy.. That was in depth of danymarc method...

Thankfully the webrevert somehow worked and I didn't have to go through this difficult method...

_________________
TP-Link: TL-WR740N
laurentiu
DD-WRT Novice


Joined: 10 Sep 2013
Posts: 3

PostPosted: Thu Sep 11, 2014 12:03    Post subject: Worked for me Reply with quote
rlindon method worked for me 740N ver. 4.27 . TY! Very Happy
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