TP-LINK TL-WR740N

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== Limitation/Bugs == == Limitation/Bugs ==
 +'''As of April 2020, none of these bugs are present.'''
as of v4: as of v4:
Line 46: Line 47:
-LAN client cannot see each other (possibly fixed on latest build) -LAN client cannot see each other (possibly fixed on latest build)
--No TX rate increase+-No TX rate increase, hardware limit is 18dBm
--No 40Mhz channel (means no 150mbps advertised speex, capped to 20mhz which is at 72 Mbps)+-No 40Mhz channel (means no 150mbps advertised speed, capped to 20mhz which is at 72 Mbps)
== How to install DD-WRT == == How to install DD-WRT ==

Revision as of 14:00, 4 April 2020

Contents


Introduction

DD-WRT does work on version 2.1, 3, or 4 !!
Go to the respective thread on the forum for more details

Hardware

  • TP-LINK TP-WR740N version 2.1
  • Firmware Version: 3.12.4 Build 100910 Rel.57694n
  • Hardware Version: WR740N v1/v2 00000000
  • wifi chip Atheros AR9285-AL1A
  • non-detachable antenna
  • cheap: 25 Euro

Photos of Hardware

http://i55.tinypic.com/8vu8sn.jpg

Picture of Atheros chip AR9285-AL1A

http://i54.tinypic.com/13yfrjs.jpg

Picture of backside (underneath) with barcode and router version (2.1)

http://i55.tinypic.com/kxoxc.jpg

Picture of the whole circuit board. other chips are the same as on this picture http://www.dd-wrt.com/wiki/index.php/TP-LINK_TL-WR841ND

http://i52.tinypic.com/2vt8uj5.jpg

Picture of the whole unit.

Feel free do download the photos to your server. I took them and they are free to copy. Email me User:Y23 if tinypic biffed them

Version 1.1 uses the same TP-LINK firmware, see here.

The prescribed dd-wrt v24 preSP2 beta build 15778 for TP-Link WR740N v1.0 Firmware: Special image for initial flashing factory-to-ddwrt.bin 2010-12-13 3,75 MB works!

Limitation/Bugs

As of April 2020, none of these bugs are present.

as of v4:

-LAN client cannot see each other (possibly fixed on latest build)

-No TX rate increase, hardware limit is 18dBm

-No 40Mhz channel (means no 150mbps advertised speed, capped to 20mhz which is at 72 Mbps)

How to install DD-WRT

  1. In TP-Link webinterface do a FACTORY RESET
  2. In TP-Link webinterface (now 192.168.1.1) upgrade firmware using

factory-to-ddwrt.bin from 740N folder. See Where do I download firmware? for links.

  1. Then log into dd-wrt (192.168.1.1).
  2. Set a login-name and password.
  3. Then upgrade (Administration > Firmware upgrade) using

tl-wr740n-webflash.bin

Screenshot of dd-wrt on WR-740N v 2.1
Screenshot of dd-wrt on WR-740N v 2.1

NOTE: Build 33555 (10/20/17) that patches the KRACK vulnerability in WPA2 runs on this router, it can be downloaded here [1] - Tmittelstaedt 10/21/2017