This guide assists you in:
- Successfully changing the WiFi password for various Viettel Fiber Optic models
- Obtaining access addresses, passwords, and usernames
The question of how to change Viettel Fiber Optic WiFi password is frequently asked, and Mytour has received numerous requests for guidance. Perhaps the existing articles on changing Viettel WiFi passwords are not comprehensive enough, as various Viettel modems have different interfaces for altering WiFi passwords.
Changing Password for Viettel Modem Across Various Fiber Optic Networks
For the reasons mentioned, this article compiles methods to change Viettel Fiber Optic WiFi passwords for popular modem models, including those with similar interfaces. Follow the instructions below to learn how to change your Viettel Fiber Optic WiFi password.
Guide to Changing Viettel Fiber Optic WiFi Password
Common Modem Models Today
Here are the popular Viettel modem models using the 192.168.1.1 gateway with corresponding user name / password as admin / admin or user / user.
- Totolink N151RT Wifi Modem
- Totolink TP Link TLWR740N Wifi Modem
- Totolink TP Link TLWR741N Wifi Modem
- Totolink TP Link TLWR841N Wifi Modem
- Totolink Alcatel Lucent I-240W-A Wifi Modem
- Totolink ZTE F600W Wifi Modem
- Totolink Dasan H640 Wifi Modem (access at 192.168.1.100)
- Totolink GPON H640W Wifi Modem (access at 192.168.1.100:8080)
1. Changing Viettel TP Link Fiber Optic WiFi Password
In this section, we will guide you through the process using the TLWR841N model, which can be applied to TLWR741N and TLWR740N versions.
Step 1: Open any web browser and click on the Address field, enter the IP range: 192.168.1.1.
A dialog box appears, prompting you to confirm administrative information for login. Enter the administrative details Username / password: admin / admin and then press Enter.
Step 2: The modem management interface appears. On the left column, click Wireless >Wireless Settings. Enter your desired WiFi name in the Wireless Network Name field and click Save. For example, here I set the displayed WiFi name as Mytour.
Step 3: Switch to the Wireless Security tab, where you will change the Viettel Fiber Optic WiFi password. Your goal is to set the password under WPA/WPA2 - Personal (Recommended). Leave Version and Encryption as Automatic, and Wireless Password will be the new password. After completing these settings, click Save to save the changes.
Step 4: Finally, on the left column, scroll down to the bottom, select System Tools >Reboot, and click on Reboot in the right column. Wait for the restart process, and you have successfully changed the Viettel Fiber Optic WiFi password.
2. Changing Viettel GPON H640W Fiber Optic WiFi Password
Step 1: To change the WiFi password for Viettel Gpon H640w, open your browser and enter the default address: 192.168.1.100:8080. Enter the credentials admin / admin (or user / user ).
Step 2: Once you have accessed Viettel Gpon H640w, navigate to the Basic Settings section.
Step 3: Next, select Wireless Lan > then choose SSID Setting and find the SSID Name listed there. Click on Modify, and this is where we'll change the password for Gpon Viettel H640w Wifi.
Step 4: Here, we can update the Gpon Viettel H640w Wifi password along with other settings. Readers can refer to our notes below and follow the parameters in the image.
- SSID Name: The name of the Wifi you are using.
- Maximum Connections: The maximum number of devices allowed to connect to this Wifi.
- Hidden SSID: Hide or show Wifi (Disable is show, and Enable is hide).
- Authentication: Wifi security mode.
- Encryption: Wifi encryption type.
- Pre Shared Key: Wifi password
After making these parameter changes, press Apply.
Step 5: Afterward, go to the Basic Setting section, click on Apply Config at the top corner, and then press OK to confirm changing the password for Gpon Viettel H640W Wifi. The modem will restart immediately to apply your settings.
3. Changing the Fiber Optic Wifi Password for Viettel N151RT.
Step 1: Open any web browser, go to the address First, go to the address with the IP: 192.168.1.1.
Immediately, a dialog box appears requesting Username / password information. Enter admin / admin in order and click Login.
Step 2: Once the Totolink management interface is displayed, go to Wireless >Security Settings >Pre-Shared Key and enter the new password here.
Afterward, restart the Modem, and we've completed changing the Fiber Optic Wifi password for Viettel N151RT.
4. Changing the Fiber Optic Wifi Password for Viettel Alcatel
Step 1: Similar to other devices, to change the Fiber Optic Wifi password for Viettel, access the address 192.168.1.1 on any browser and log in with the Username / password default, which is admin, or check it on the back of the wifi modem.
Step 2: After successfully logging in, you will encounter the administration interface as shown below.
Here, choose Network >WiFi, navigate to the WPA Key section displaying your current password. Simply erase it, enter your new password, and press Save to finish.
Above are methods to help you change the Fiber Optic Wifi password for Viettel, applicable to various modem types, mostly common ones used by Viettel today. Hopefully, this article will make it easier for Mytour readers to change the Viettel Wifi password or similar models.