TP-Link 841n V11 Firmware 160325 flash issue (FIX)

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plazma
DD-WRT User


Joined: 22 Feb 2012
Posts: 67

PostPosted: Mon Oct 10, 2016 17:56    Post subject: TP-Link 841n V11 Firmware 160325 flash issue (FIX) Reply with quote
Hi, I just got my hands on a new batch of 841N V11's and these had firmware 160325.

When ever you try and upgrade to dd-wrt (or even try and flash tp-links own firmware) your given the error:

Code:
Error code: 18005
Upgrade unsuccessfully because the version of the upgraded file was incorrect. Please check the file name.

Someone had suggested this was due to the FCC changes, not sure why because this is the EU model... anyway there is a fix.

Since V9 this router has had TFTP without the need for jtag.

First thing to do is to set your machine to run a TFTP server:

Windows TFTP Server: http://www.tricksguide.com/how-to-setup-a-tftp-server-tftpd32-windows.html

Ubuntu-debian-linux TFTP Server: http://askubuntu.com/questions/581772/how-to-install-and-configure-a-tftp-server-on-14-04/581891

Next your going to need the factory-to-dd-wrt.bin flash and to rename this to "wr841nv11_tp_recovery.bin"

Then set your machines network card to the ip address "192.168.0.66", default class C subnet mask "255.255.255.0" and the gateway to either nothing or "192.168.0.1"

Open the TFTP log window (so you can see when its connected and requested the file), if your under linux ensure your file ownership and permissions are correct.

For ubuntu you would use:
Code:
tail -f /var/log/syslog | grep tftpd

Now reboot the router buy holding down the reset button at the back, dont release keep holding and watching the TFTP server log and the moment you see the file request you can release the reset button.

Now wait patiently for the router to flash and reboot (normally around 2 ish minutes). After this reset your ip address to "192.168.1.66" so your in the right network range (or set to auto dhcp) and now you should be able to ping 192.168.1.1 Assuming you can, all is good you are now free from the stock firmware and dd-wrt is rocking strong.

I would advise doing a stock dd-wrt flash with the standard image (not factory-to version) and tell it to wipe the nvram (erase) before you do anything more. Just in case there is anything thats in nvram from the original firmware (not sure if ftfp flash also zeros it out fully so best to be safe).

Ive seen a few other people with the issue with firmware 160325 but no one that i could see had posted here, so forgive me if this is a double post.

*Note if you need it dont also forget about the lan port startup script fix: http://www.dd-wrt.com/phpBB2/viewtopic.php?p=1038126#1038126


Last edited by plazma on Fri Jul 28, 2017 13:35; edited 1 time in total
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peterzos
DD-WRT Novice


Joined: 22 Oct 2016
Posts: 1

PostPosted: Sat Oct 22, 2016 19:09    Post subject: Reply with quote
I have flashed my router TP-Link TL-WR841ND v11 with the image from:

ftp://ftp.dd-wrt.com/betas/2016/10-18-2016-r30771/tplink_tl-wr841ndv11/

following the above procedure and it worked.

A few remarks:
- When the router loads wr841nv11_tp_recovery.bin from tftp server and become accessible at 192.168.1.1 it is not flashed yet, even though dd-wrt web interface shows up, you still have to upload tl-wr841nd-webflash.bin within DD-WRT web interface (Administration->Firmware upgrade) and select "After flashing, reset to Default Settings"
- If you change settings and reset router without uploading tl-wr841nd-webflash.bin you will have to repeat the tftp procedure.
- I had to apply "lan port startup script fix" mentioned above, otherwise LAN computers didn't see each others.
Web interface: Administration->Commands

Code:
# Fix lan port communication 841 v7, v9, v11
swconfig dev eth0 set enable_vlan 1
swconfig dev eth0 set apply


and "Save as startup"
- The username and the password for telnet/ssh:
username:root password: whatever you set when first visiting web interface.

Regards
gr-bull
DD-WRT Novice


Joined: 08 Oct 2016
Posts: 2

PostPosted: Tue Nov 01, 2016 16:46    Post subject: Reply with quote
this works great! thank you very much!
friedensfurz
DD-WRT Novice


Joined: 04 Dec 2016
Posts: 1

PostPosted: Sun Dec 04, 2016 13:34    Post subject: Please help Reply with quote
Thank you very much for this tutorial, I have this problem with my v11 model. But I can't figure out, how to configure the tftp server correctly, my router doesn't request anything and I also can't access it.

It would be very kind if one of you could make a video about this, that would probably help some others as well.

My version is 25/03/16 btw.

Please help me as I really need ddwrt Smile
danymarc
DD-WRT Guru


Joined: 04 Nov 2012
Posts: 522
Location: Acapulco, Mexico

PostPosted: Mon Dec 05, 2016 18:48    Post subject: Re: Please help Reply with quote
friedensfurz wrote:
It would be very kind if one of you could make a video about this

you dont need a video, just follow instructions
this is another tutorial http://bkil.blogspot.mx/2014/12/hidden-tftp-of-tp-link-routers.html

_________________
TP-Link: TL-WR741ND V4
TP-Link: TL-WR842ND V2
Matthew Leadbetter
DD-WRT Novice


Joined: 20 Dec 2016
Posts: 1

PostPosted: Tue Dec 20, 2016 10:19    Post subject: Reply with quote
I have never flashed a router before. I've managed to set everything up on a Raspberry Pi to do it. I've got it set up on a static IP address with a TFTP server running and it's requesting the file. Unfortunately, according to wireshark, it doesn't seem to actually be getting the file.

It requests the file four times, from 192.168.0.86 which my TFTP server then responds by sending the first block back to that IP, four times. The router then gets confused and tells me the destination is unreachable.

Can anyone help me?
duncan.bradley
DD-WRT Novice


Joined: 05 Jan 2017
Posts: 1

PostPosted: Thu Jan 05, 2017 18:58    Post subject: tl-wr841n (EU) v11 issues Reply with quote
I have followed the instructions for flashing the router via TFTP, and have setup my TFTP server for 192.168.0.66, but despite rebooting the router using the instructions, it never connects to the TFTP server. I have manually connected to it from another machine and can get the file without issue.

I have updated the firmware to the latest version on the TPLink site, but again so luck. Does anyone have any ideas how I might get the DDWRT software on there?????

Thanks in advance.
caravela
DD-WRT Novice


Joined: 10 Jan 2017
Posts: 1

PostPosted: Tue Jan 10, 2017 3:57    Post subject: Reply with quote
grab the latest beta from here

http://dd-wrt.com/site/support/other-downloads?path=betas%2F2016%2F12-15-2016-r30949%2Ftplink_tl-wr841ndv11%2F

using a wired connection

in the tplink web ui upload and flash the factory-to-ddwrt.bin

(the router ip might me diferent now e.g. http://192.168.1.1/)

after it reboots into dd-wrt flash the tl-wr841nd-webflash.bin using the webui

do a hard 30-30-30 reset after it flashes
ivanpop
DD-WRT Novice


Joined: 26 Feb 2017
Posts: 8

PostPosted: Sun Feb 26, 2017 15:45    Post subject: Reply with quote
caravela wrote:
grab the latest beta from here

http://dd-wrt.com/site/support/other-downloads?path=betas%2F2016%2F12-15-2016-r30949%2Ftplink_tl-wr841ndv11%2F

using a wired connection

in the tplink web ui upload and flash the factory-to-ddwrt.bin

(the router ip might me diferent now e.g. http://192.168.1.1/)

after it reboots into dd-wrt flash the tl-wr841nd-webflash.bin using the webui

do a hard 30-30-30 reset after it flashes


I get:
Error code: 18005
Upgrade unsuccessfully because the version of the upgraded file was incorrect. Please check the file name.
ramblin
DD-WRT User


Joined: 03 Nov 2015
Posts: 153
Location: Florida, USA

PostPosted: Mon Feb 27, 2017 18:04    Post subject: Reply with quote
The TFTP usually works without a problem but a few things to check. The TP Link software is looking for a specific file name so you might check the TP Link website and make sure you are renaming the file for your specific version. Also had an issue once where I was downloading from a computer to a flash drive onto another computer to upload to the router. Somewhere along the line the format was changing (probably because I had a player or something set as default and it was changing to something specific for that player) so make sure the name is correct and nothing else is changed.
ivanpop
DD-WRT Novice


Joined: 26 Feb 2017
Posts: 8

PostPosted: Tue Feb 28, 2017 16:44    Post subject: Reply with quote
I downloaded an official firmware from Tp Link's site for my router, I copied it's name and renamed dd-wrt's firmware to the exact name, but I get the same result.
mh3g
DD-WRT Novice


Joined: 29 Nov 2010
Posts: 18

PostPosted: Wed Mar 01, 2017 7:11    Post subject: Reply with quote
Error 18005 = locked firmware

Flash the file in the attachment. Is a version unlocked of firmware based on TL-WR841ND_V11_150616.
After flash the 841nd with this file the router accept all firmware

Very Happy

File posted by Nedark on https://forum.openwrt.org/viewtopic.php?id=67382


Last edited by mh3g on Fri Mar 10, 2017 6:48; edited 1 time in total
ivanpop
DD-WRT Novice


Joined: 26 Feb 2017
Posts: 8

PostPosted: Thu Mar 09, 2017 18:50    Post subject: Reply with quote
Thanks a lot mh3g. I successfully installed dd-wrt on my 841 v11
ivanpop
DD-WRT Novice


Joined: 26 Feb 2017
Posts: 8

PostPosted: Sun Apr 02, 2017 21:05    Post subject: Reply with quote
I have problems with my phone when the router is with dd-wrt.
It constantly loses Wi-Fi, sometimes it doesn't want to connect, when it connects sometimes it says that Internet is unavailable and in the times that it works it works for a couple of minutes before it loses Internet again. My laptop however is connected over the same wireless and it's working with no problems.
Most of the time the phone is about a meter away from the router.
mh3g
DD-WRT Novice


Joined: 29 Nov 2010
Posts: 18

PostPosted: Mon Apr 03, 2017 5:41    Post subject: Reply with quote
Try another build. 30731 is more stable
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