Guide to Changing TL-MR3040 Wi-Fi Password

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Ngày cập nhật gần nhất: 15/4/2026

TL-MR3040 is a compact TP-Link device that supports Wi-Fi from USB 3G, 4G. Users can operate TL-MR3040 similarly to other fixed modems, including changing Wi-Fi names and passwords on this modem.

With a design as compact as a power bank, TL-MR3040 offers outstanding features. It can broadcast Wi-Fi from USB 3G, 4G for mobile use on various devices. You can even change TL-MR3040 Wi-Fi password using the method of changing Wi-Fi passwords via phone. The trick to change Wi-Fi passwords via phone is similar to the steps below. Just follow the steps to change TL-MR3040 Wi-Fi password on your laptop or phone.

Guide to Changing TL-MR3040 Wi-Fi Password, Updating TP-Link TL-MR3040 Wi-Fi Passcode

Step 1: Users need to access TL-MR3040 Wi-Fi configuration settings to change the Wi-Fi password. Enter the address: 192.168.1.1 in the URL bar of any browser such as Google Chrome, Firefox on your computer or phone.

Next, enter Username and Password to access TL-MR3040 Wi-Fi.

The default credentials for TP Link are:

User: Admin
Password: Admin

Press Login to log in and change the TL-MR3040 Wi-Fi password.

In the TL-MR3040 Wi-Fi hotspot interface, choose Wireless.

Step 2: Then, click on Wireless Security to access the section for changing TL-MR3040 Wi-Fi password.

Step 3: Pay attention to the Password section containing the old password of the TL-MR3040 modem.

Remove the old password and enter a new password.

Scroll down in the Wireless Security interface and click Save to save the password change operation.

Step 4: Finally, return to the main interface of TL-MR3040 to reset the modem, ensuring acceptance of the new Wi-Fi password.

Select System Tools >Reboot.

Afterward, press the Reboot button and wait for the TL-MR3040 modem to reset the network.

Here are the details on how to change the TL-MR3400 Wi-Fi password. Users of USB 3G, 4G can confidently modify the password if any unfamiliar device accesses your Internet connection.

Actually, if you already know how to change the Viettel Wi-Fi password, you can also easily change the TL-MR3400 Wi-Fi password. This is because the free TP Link modems provided by Viettel have a similar interface to TL-MR3400. Of course, changing the Viettel Wi-Fi password is not exactly the same as changing the TL-MR3400 Wi-Fi password. If you prefer not to delve into it, just follow our instructions above to save your working time.

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