Download for TL-WR542G V4

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>How to find the hardware version on a TP-Link device

IMPORTANT: Model and hardware version availability varies by region. Please refer to your TP-Link regional website to determine product availability.



A firmware update can resolve issues that the previous firmware version may have and improve its current performance.

To Upgrade

IMPORTANT: To prevent upgrade failures, please read the following before proceeding with the upgrade process

  • Please upgrade firmware from the local TP-Link official website of the purchase location for your TP-Link device, otherwise it will be against the warranty. Please click here to change site if necessary.
  • Please verify the hardware version of your device for the firmware version. Wrong firmware upgrade may damage your device and void the warranty. (Normally Vx.0=Vx.6/Vx.8 (eg:V1.0=V1.6/V1.8);   Vx.x0=Vx.x6/Vx.x8 (eg:V1.20=V1.26/V1.28)
    How to find the hardware version on a TP-Link device
  • Do NOT turn off the power during the upgrade process, as it may cause permanent damage to the product.
  • To avoid wireless disconnect issue during firmware upgrade process, it's recommended to upload firmware with wired connection unless there is no LAN/Ethernet port on your TP-Link device.
  • It's recommended that users stop all Internet applications on the computer, or simply disconnect Internet line from the device before the upgrade.
  • Use decompression software such as WinZIP or WinRAR to extract the file you download before the upgrade.


Published Date: 2008-10-21 Language: English File Size: 2.104 MB

Modifications and Bug Fixes:

    1. Support for SST flash;
    2. New web v4 platform;
    3. Note:
      1. If the router has been upgraded to this version, it can NOT be downgraded to any older version;

      2. All the settings will be lost after the upgrade, the LAN IP address will be set to default;

      3. The backup configuration files which generated on the older firmware is not suitable for this version.


for TL-WR54xG v4 and v6


Published Date: 2008-05-19 Language: English File Size: 0.988 MB

Modifications and Bug Fixes:

  1. 1. Added IP & MAC address binding feature;
  2. 2. Changed the default SSID to TP-LINK_XXXXXX (XXXXXX are the last 6 characters of the MAC address);
  3. 3. Modified the hardware reset method, the users can reset the router by holding the reset button for 10s without power off;
  4. 4. Fixed a reboot problem caused by changing the WAN connection type from Dynamic IP to PPPOE;
  5. 5. FIxed some dialing up problem;
  6. 6. Changed same default settings.
  7. 7. Fixed a flow Statistics problem;
  8. 8. Supports Tracert command;


for TL-WR54xG v4 and v6

TL-WR54xG V4_071123

Published Date: 2007-11-23 Language: English File Size: 998.328 KB

Modifications and Bug Fixes:

  1. Added the Bridge function
  2. Modified the bug of uselessness of button "previous" in Wireless interface


for TL-WR541G V4,TL-WR542G V4

To Use Third Party Firmware In TP-Link Products

Some official firmware of TP-Link products can be replaced by the third party firmware such as DD-WRT. TP-Link is not obligated to provide any maintenance or support for it, and does not guarantee the performance and stability of third party firmware. Damage to the product as a result of using third party firmware will void the product's warranty.

Open Source Code For Programmers (GPL)

Please note: The products of TP-Link partly contain software code developed by third parties, including software code subject to the GNU General Public Licence (“GPL“), Version 1/Version 2/Version 3 or GNU Lesser General Public License ("LGPL"). You may use the respective software condition to following the GPL licence terms.

You can review, print and download the respective GPL licence terms here. You receive the GPL source codes of the respective software used in TP-Link products for direct download and further information, including a list of TP-Link software that contain GPL software code under GPL Code Center.

The respective programs are distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the respective GNU General Public License for more details.

T2700G-28TQ License Download
License Model: T2700G-28TQ-L1000

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