Download for TL-MR6400 V1

Setup Video

• How to Set up TP-Link 4G WiFi Router

Feature Filter: All TroubleshootingConfiguration GuideWhen You Set Up

FAQs

• How can I check if my SIM card is working via phone? 08-29-20249419
• 4G 5G Routers (Including Deco, LTE Gateway and MiFi) have no Internet due to 464XLAT technology used by some operators (e.g., Jio, Globe) 07-22-202411940
• TP-Link LTE Router keeps disconnecting 12-01-202335338
• The Weak Security and Privacy Warning on the iOS14 or iOS15 06-25-2023442536
• What should I do if my TP-Link 4G LTE Router cannot detect SIM card? 06-20-2023136641
• How to check the 4G band working on our smartphones 06-20-202384812
• Troubleshooting Guide of DDNS function on TP-Link Wi-Fi Router, LTE Gateway Router or Deco Router 06-20-202387428
• Troubleshooting guide of no internet access with TP-Link Wireless 4G LTE Router working as 3G/4G Router Mode 05-17-2023117450
• What should I do if no APN profile or wrong APN profile is detected by TP-Link Wireless 4G LTE Router? 05-16-202382952
• How to Set up TP-Link Wireless 4G LTE Router on Tether App 10-26-2022148820
• How to troubleshoot if I have low speed with TP-Link Wireless 4G LTE Router working as 3G 4G Router Mode 10-19-202286564
• How to log into the web-based management interface of TP-Link Wireless 4G LTE Router 06-27-2022584886
• How to troubleshoot if remote management does not work on LTE Gateway Router with 3G/4G Router mode 06-24-202255681
• How do I install a SIM card for my 4G Wi-Fi router or Mobile Wi-Fi? 09-24-2021332522

Firmware

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. 
  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.

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.

GPL Code

• GPL_TL-MR6400_V1

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