TP-LINK TL-WR740N v4

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mkaand
DD-WRT User


Joined: 06 Jan 2008
Posts: 307
Location: Istanbul

PostPosted: Fri Oct 10, 2014 7:34    Post subject: Reply with quote
dannyg85 wrote:
Hi guys!
I tried to debrick my wr740n with dabyd64's tutorial. Serial port soldering done, but when i want to connect via putty i get the attached characters.
com settings are correct:
115.200 baud
8 bit data
1 bit stop
no parity
no flow control

Did anyone see something like that?
Thank you in advance


If you see weird chars on putty probably you use usb to RS232 converter. You need to use USB to TTL. Check the picture :
10TL ye aldığım USB RS232 TTL çevirici. Kesinlikle yanlış mesleği yapıyorum. by mkaand, on Flickr
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meskafonas
DD-WRT Novice


Joined: 21 Jul 2013
Posts: 8

PostPosted: Thu Oct 30, 2014 9:32    Post subject: Reply with quote
Newest dd wrt version - 10-29-2014-r25203 is not working on TP link 740n V4.23. When i trying update firware, few seconds later error comes up ( failed update).
Rarantada
DD-WRT Novice


Joined: 15 Nov 2014
Posts: 1

PostPosted: Sat Nov 15, 2014 12:40    Post subject: Reply with quote
hi everybody,
i am using wr740n version 4.28 <----
stock fw 3.17.0 Build 140520 Rel.75075n

Would someone suggest firmware that stable for this version?
thx
techload
DD-WRT Novice


Joined: 01 Oct 2014
Posts: 1

PostPosted: Tue Dec 09, 2014 23:50    Post subject: Reply with quote
TL-WR741ND(BR) V. 4.24

This is what worked for me:


http://dd-wrt.com/site/support/other-downloads?path=others%2Feko%2FBrainSlayer-V24-preSP2%2F2014%2F04-18-2014-r23919%2Ftplink_tl-wr741ndv4%2F
ivmilicevic
DD-WRT Novice


Joined: 08 Jan 2015
Posts: 2

PostPosted: Thu Jan 08, 2015 12:29    Post subject: Reply with quote
What is the latest stable firmware for TP-link TL-WR740N, hw version 4.27?
tepy
DD-WRT Novice


Joined: 16 Jun 2013
Posts: 3

PostPosted: Sat Jan 17, 2015 22:56    Post subject: tplink wr471 v4.3 Reply with quote
I have a problem with a router tp-link wr 741nd v4.3, I did the update and I followed exactly the steps and the router is locked now, I tried to connect a DKU-5 but not at all I do not go blank, specify that the router power light comes and the 2 LEDs are lit but WAN and QSS ff weak, I did and bonds that are in tutorial

more help please
danymarc
DD-WRT Guru


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

PostPosted: Sun Jan 18, 2015 3:50    Post subject: Reply with quote
tepy wrote:
I have a problem with a router tp-link wr 741nd v4.3, I did the update and I followed exactly the steps and the router is locked now

Post the exactly steps you followed & build you flashed

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


Joined: 31 May 2011
Posts: 4

PostPosted: Wed Jan 21, 2015 15:34    Post subject: Reply with quote
I flashed r24160 on my wr740n v4.21, seems to working well for the past two days. I am missing snmp support on this one, does anyone have any idea which was the last good build with snmp, r23919 maybe ? can someone confirm that please.
crankdoofus
DD-WRT Novice


Joined: 31 May 2011
Posts: 4

PostPosted: Tue Jan 27, 2015 18:03    Post subject: Reply with quote
Anyone ?

crankdoofus wrote:
I flashed r24160 on my wr740n v4.21, seems to working well for the past two days. I am missing snmp support on this one, does anyone have any idea which was the last good build with snmp, r23919 maybe ? can someone confirm that please.
crashnburn_in
DD-WRT Novice


Joined: 21 Jan 2012
Posts: 31

PostPosted: Wed Jun 10, 2015 11:43    Post subject: TP-Link TL-WR740N ver 4.23 - Latest Stock FW Reply with quote
TP-Link TL-WR740N ver 4.23 - Latest Stock FW

What would be a good working DD-WRT FW for this router?
crashnburn_in
DD-WRT Novice


Joined: 21 Jan 2012
Posts: 31

PostPosted: Wed Jun 10, 2015 11:50    Post subject: Re: TP-Link TL-WR740N ver 4.23 - Latest Stock FW Reply with quote
crashnburn_in wrote:
TP-Link TL-WR740N ver 4.23 - Latest Stock FW

What would be a good working DD-WRT FW for this router?


Latest stock FWs are 2014 and 2015
http://support.asus.com/download.aspx?SLanguage=en&p=11&m=RT-N16&hashedid=WAa6AQFncrceRBEo

On the Router DB the last DD-WRT is from 2013.
http://dd-wrt.com/site/support/router-database
Code:
TP-Link TL-WR740N 4.x

Router details
Additional information
Chipset   AR9331      

Other downloads
http://dd-wrt.com/site/support/other-downloads?path=others%2Feko%2FBrainSlayer-V24-preSP2%2F

http://dd-wrt.com/site/support/other-downloads?path=others%2Feko%2FBrainSlayer-V24-preSP2%2F2014%2F

(Could I try to use these without Risk?)

RAM   32 MB   
FLASH   4 MB   
 
Supported by   v24 PreSP2 [Beta] Build: 21061
Description   Filename   Date   Size
WR740N v4.x Firmware - Webflash image for first installation   factory-to-ddwrt.bin   2013-04-25   3,75 MB
WR740N v4.x Webrevert - Back to stock   wr740nv4_webrevert.rar   2013-04-24   3,36 MB
WR740N v4.x Firmware - Webflash image   tl-wr740nv4-webflash.bin   2013-04-25   3,75 MB


What would be the benefit of this version/ variation of DD-WRT over stock TP-Link?


Last edited by crashnburn_in on Wed Jun 10, 2015 12:27; edited 1 time in total
KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Wed Jun 10, 2015 12:25    Post subject: Re: TP-Link TL-WR740N ver 4.23 - Latest Stock FW Reply with quote
crashnburn_in wrote:
TP-Link TL-WR740N ver 4.23 - Latest Stock FW

What would be a good working DD-WRT FW for this router?

According to http://www.dd-wrt.com/wiki/index.php/Supported_Devices#TP-Link
it's a 4MB flash router, with Atheros AR9331 chip.

According to http://dd-wrt.com/site/support/router-database , the first step to flash from Stock firmware to DD-WRT is:
Build 21061, file "factory-to-ddwrt.bin" from ftp://ftp.dd-wrt.com/betas/2013/03-25-2013-r21061/tplink_tl-wr740nv4/

Then update to latest build 27240 (has a recent AR93xx fix for the long-standing TX DMA error) found here: ftp://ftp.dd-wrt.com/betas/2015/06-05-2015-r27240/tplink_tl-wr740nv4/
Always use file "tl-wr740nv4-webflash.bin" when going from ddwrt-to-ddwrt.

Restore to Factory Defaults before and after flashing and wait at least 3 minutes when doing so. Don't rush. Always flash via cable, in Firefox.

Then please report your findings in the 27240 thread http://www.dd-wrt.com/phpBB2/viewtopic.php?t=283495

_________________
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crashnburn_in
DD-WRT Novice


Joined: 21 Jan 2012
Posts: 31

PostPosted: Sat Jun 13, 2015 11:23    Post subject: Re: TP-Link TL-WR740N ver 4.23 - Latest Stock FW Reply with quote
KrypteX wrote:
crashnburn_in wrote:
TP-Link TL-WR740N ver 4.23 - Latest Stock FW

What would be a good working DD-WRT FW for this router?

According to http://www.dd-wrt.com/wiki/index.php/Supported_Devices#TP-Link
it's a 4MB flash router, with Atheros AR9331 chip.

According to http://dd-wrt.com/site/support/router-database , the first step to flash from Stock firmware to DD-WRT is:
Build 21061, file "factory-to-ddwrt.bin" from ftp://ftp.dd-wrt.com/betas/2013/03-25-2013-r21061/tplink_tl-wr740nv4/

Then update to latest build 27240 (has a recent AR93xx fix for the long-standing TX DMA error) found here: ftp://ftp.dd-wrt.com/betas/2015/06-05-2015-r27240/tplink_tl-wr740nv4/
Always use file "tl-wr740nv4-webflash.bin" when going from ddwrt-to-ddwrt.

Restore to Factory Defaults before and after flashing and wait at least 3 minutes when doing so. Don't rush. Always flash via cable, in Firefox.

Then please report your findings in the 27240 thread http://www.dd-wrt.com/phpBB2/viewtopic.php?t=283495


Thank you. I hope/ guess it doesn't need some hardware mod/ circuit board connecting/ shorting that I read about somewhere?
KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Sat Jun 13, 2015 11:34    Post subject: Re: TP-Link TL-WR740N ver 4.23 - Latest Stock FW Reply with quote
crashnburn_in wrote:
Thank you. I hope/ guess it doesn't need some hardware mod/ circuit board connecting/ shorting that I read about somewhere?

If you do it correctly, then no such issues.

_________________
THERE ARE NO STRANGERS HERE; ONLY FRIENDS YOU HAVEN'T YET MET.
________________________________________________________________________________________________________
DD-WRT CHANGELOG | DEVICES | DD-WRT BUILDS | KONG BUILDS | UNOFFICIAL BUILDS | DD-WRT in VIRTUALBOX
gurabli
DD-WRT Novice


Joined: 18 Aug 2014
Posts: 20

PostPosted: Mon Oct 12, 2015 13:14    Post subject: Re: TP-Link TL-WR740N ver 4.23 - Latest Stock FW Reply with quote
KrypteX wrote:
crashnburn_in wrote:
Thank you. I hope/ guess it doesn't need some hardware mod/ circuit board connecting/ shorting that I read about somewhere?

If you do it correctly, then no such issues.


@KrypteX

I just got a WR740N v4 router. My main router is an 1043ND where I use build 27506.

I see that you also use a WR740N router, but with build 23720. Are there any reasons why you use such an old build, or I can safely go with 27506?

Another questions, do I need to flash first from stock to Build 21061 and then to 27506 or this step is not required anymore?

Any limitations that are not working on WR740N and 27506? Nothing fancy, just stable wifi, ssh, LAN.

Thanks!
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