How to upgrade firmware of TP-Link Wireless N Router

User Application Requirement
Mis à jour06-29-2022 02:21:32 AM 2003
Ce document concerne les modèles suivants : 
TL-WR841N , TL-WDR3500 , TL-WR743ND
· 1) Please verify the hardware version of your device. Different hardware versions
DON’T share firmware versions. Wrong firmware upgrading may damage your
device and void the warranty.

· 2) After you downloaded the firmware from TP-Link website, please use
decompression software such as WinZIP or WinRAR to extract the firmware file to a folder;
· 3) Do NOT upgrade the firmware via wireless connection;
· 4) Do NOT turn off the power or unplug the Ethernet cable during upgrade process;
· 5) Please write down all current settings as a backup and enter them manually after upgrading.
· 6) Internet Explorer (IE) is the recommended web browser to upgrade the firmware.
Step 1 Login to the TP-Link router’s web management page by typing the Default Access.
Normally, Default Access can be found in the label of the device itself.
Open the web browser (such as Internet Explorer, Firefox), please input the Default Access
in the address bar. The User Name and Password are both admin in default.
If you are unable to login to the management page please click here.
Step 2 Click System Tools ->Firmware Upgrade, click the Browse button to choose the
firmware you already extracted in the folder.
Step 3 Click the Upgrade button. The device will reboot automatically. Please wait about 3 minutes.
Step 4 Click Status, verify that the router’s firmware has been upgraded.
Step 5 In order to make the new functions take effects, it is recommended to restore the device to factory default settings; Click System Tools->Factory Defaults, Click Restore Button.
Step 6 After restoring factory default, please login the web page and re-enter the settings you have written down before upgrading.
Get to know more details of each function and configuration please go to Download Center to download the manual of your product.

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