12 Methods to Change Wifi Password, Update Wifi Password on Computer, Phone

While sharing Wifi with many people, but there are too many people you don't want to know your wifi password or simply you want to change the Wifi password to reduce unauthorized access to your Wifi network, then changing the wifi password is the most effective thing to do. With difficult-to-guess wifi passwords, you won't have to worry much about changing the wifi password for your modem, however, many people have a habit of creating simple, easy-to-remember wifi passwords and used by many users, so the case of shared wifi can happen.

How to Change Wifi Password, Update FPT, Tenda, TP-Link, Linksys, VNPT Wifi Password, on Phone or Laptop

What is Wifi?

According to Wikipedia, Wi-Fi (or Wifi) is short for Wireless Fidelity or 802.11 network is a wireless network system using radio waves, similar to mobile phones, television, and radio.

Nowadays, Wifi is available in many places such as homes, companies, restaurants, cafes, hotels, ... everywhere, even if we use Wifi scanning tools like Wifi Chùa, we can see on the map showing 'crowded' various Wifi networks.

I. Precautions before changing Wifi password

- It's recommended to use web browsers like IE - Internet Explorer or Chrome.
- It's advisable to disable Vietnamese typing software like Unikey, Viettekey if they're enabled.

II. Detailed steps to change wifi password

1. For FPT network

1.1. Changing Password on Computer
- Firstly, connect the modem to your computer via network cable or Wi-Fi.
- Access the address 192.168.1.1, enter the username and password.
+ username: Enter admin
+ password: Is the contract number written on the sticker attached to the modem device.
Note: In case the modem has been changed, please contact the hotline at 19006600 for assistance.
- After logging into the modem, go to the Wireless Setup tab => Wireless Security.
- Enter the password into Security passphrase (this is your Wi-Fi password) then click Apply.

1.2. Changing Password with Hi FPT App
+ Download the Hi FPT app Here (Android) or download Here (iPhone, iPad).
+ Launch the Hi FPT app, log in to the app with your account (the registered phone number and the password is the OTP code sent by FPT when registering for the network).

2. For VNPT network

2.1. For Gpon iGate
- First, you need to connect the Gpon iGate Wi-Fi modem to your PC before changing the Wi-Fi password.
- Use a web browser and access the address 192.168.1.1, enter the information you were provided with Username and Password => Login (access Admin pass Wi-Fi). Usually, the login username and password can be admin or attached to the back of the Wi-Fi modem.

2.2. For Huawei
- Similarly, connect your device to the Wi-Fi modem and access the address 192.168.100.1 using Google Chrome or IE to change the Wi-Fi password. Enter User: root and Password: admin => Login (if unable to log in, reset the modem or contact the hotline 1800109).
- After logging in, go to the WLan tab and change the Wi-Fi password in the WPA PreSharedKey section, then click Apply to finish.

2.3. For Yes Telecom
- As usual, connect your computer to the modem device to change the Wi-Fi password. Open a browser and access the default IP address 192.168.1.1 of Yes Telecom.
- Enter the default Username and Password for the device as follows:
+ Username: admin
+ Password: megavnn
Note: The default account password is megavnn if the technical staff has not changed it for you. If the Wi-Fi password has been changed, please contact the technical team directly to retrieve it. The VNPT hotline number is 1800109.
- Navigate to the Wi-Fi password change section in the Advance Setting tab Wireless => Wireless Security Setup => enter the new password or Wi-Fi password in the empty box next to Pre-Shared Key (you can check Show Password to display the password) and press OK to complete the Wi-Fi password change action.

3. Viettel

3.1. For Viettel TP Link
- To change the Wi-Fi password for TP-Link Viettel modem, follow these steps:
+ Step 1: First, you need to connect the Wi-Fi modem to your computer or laptop, open a web browser, and access the IP address 192.168.0.1. Enter Username/password, which is admin for both, then press Enter.
* If you cannot log in to Admin with the default password above, contact the Viettel hotline at 18008119 for the fastest support.
+ Step 2: Select Wireless =>Wireless Security sequentially, at the Wireless Password tab on the right, enter a new password and select System Tools =>Reboot => click Reboot.
+ Step 3: Wait a few minutes for the Wi-Fi modem to restart, then log in with the new Wi-Fi password you changed earlier.

3.2. For Wifi Alcatel Lucent Viettel
- Step 1: To change the Wi-Fi password, you need to start a web browser on your computer, access the default IP address 192.168.1.1, and use the highest level Admin account. Enter the account (Username) and password (password) both as admin => Click Login.
+ Note: If you cannot log in with the default admin password, immediately contact the Viettel hotline at 18008119 to receive support, the password is case-sensitive.
- Step 2: In the modem's settings system, proceed sequentially as follows Network =>WiFi =>WPA Key and enter the new Wi-Fi password here, click Save, and the system will automatically restart.
- Step 3: After 5 minutes, log in with the new Wi-Fi password and check the results.

4. LINKSYS

To change the Wi-Fi password for the Linksys modem, follow these steps:
- Step 1: First, open a web browser on your computer and access the default IP address 192.168.1.1 of the Wi-Fi device.
- Step 2: Enter the default Username and password of the modem device, usually the default username/password is Admin.
* Note: If you cannot log in, contact Viettel hotline directly at 18008119 for assistance.
- Step 3: Next, click on the Wireless tab => select Wireless Security => enter the new Wi-Fi password in the blank next to WPA Shared Key => click Save Setting to save the new Wi-Fi password for the device.
- Step 4: After your Wi-Fi modem device automatically resets, use the new Wi-Fi password to log in and check if it has been changed.

5. Tenda

- Access the default address 192.168.0.1 in the web browser, use the default account Admin for both Username and Password => select the Wireless tab.
+ Note: If you cannot log in with the default account, immediately contact Viettel hotline at 18008119 for assistance, remember to check Caps Lock before entering information because the password is case-sensitive.
- In the Wi-Fi configuration section, to change the Wi-Fi password, click Wireless Security and set it up as follows:
+ Security Mode: Select Mixed WPA/WPA2 PSK.
+ WPA Algorithms: Choose TKIP&AES then enter the password in the Security Key field below.
+ Click OK to complete the Wi-Fi password change process => log in again to see if the Wi-Fi password has been changed or not.

6. DLINK

DLink or D-Link is a network device manufacturer established long ago, present worldwide, including in Vietnam, the official website of D-Link Vietnam is https://www.dlink.com.vn. D-Link offers devices such as Modems, Switches, Wi-Fi routers, Wireless Dual-Band, ... You can choose genuine products at major retailers in Vietnam such as Phuc Anh, Dienmayxanh, An Phat PC, ...
To change the DLink password, follow these steps:
- Access 192.168.1.1 in the browser, enter the corresponding Username/password as admin/admin and click Login.
+ If in case you cannot log in to Admin with the default account, immediately contact Viettel hotline at 18008119 for the fastest support.
+ The password is case-sensitive, so pay attention to the Caps Lock before entering the Wi-Fi password information.
- Setup => Wireless => Wireless Security, move to the Pre-Shared Key section and enter the new password, then click Apply.

7. Totolink

- Access the address 192.168.0.1 and enter Username/password: admin/admin
- Wireless => Security Settings => Pre-Shared Key and enter the new password here => Apply Changes to save the changes.

III. How to Change Wi-Fi Password on Phone

There are numerous methods to change Wi-Fi passwords, whether on a computer or phone. Each method has its own techniques and tricks. If you want to change the Wi-Fi password on your phone, refer to the article How to Change Wi-Fi Password on Phone here.
 

IV. Why Change Your Wi-Fi Password

Careless Wi-Fi usage can easily make you a victim of password hacking for unauthorized usage, leading to difficulties in accessing or unstable network speeds. Therefore, changing your Wi-Fi password regularly will help you control the number of users, the speed of the connection, or avoid network errors. Each Wi-Fi network has its own method of changing passwords that you need to pay attention to.
 

V. How to Set a Secure Wi-Fi Password

There are some suggestions to help you set the most secure Wi-Fi password, Mytour's tips help you create a strong yet memorable password, pay attention to the following:
- Can contain special characters or capitalize the first letter.
- Create a password using similar words.
- Use a favorite book.
- Reverse the password.

VI. Wi-Fi Passwords to Avoid

Sometimes, out of fear of forgetting their Wi-Fi password, some people set very simple passwords. Therefore, unauthorized users often guess these passwords easily, which also leads to network speed issues and local congestion. You should avoid setting Wi-Fi passwords such as 88888888, 12345678, 66666666, 99999999, or your own phone number, Wi-Fi name, etc.

VII. Forgot Wi-Fi Password: What to Do?

For those who forget their Wi-Fi password, cannot remember the password they set, or want to retrieve it, there are many methods to recover the password. You can use a phone that has saved the Wi-Fi password, check the password on a computer that has previously accessed that Wi-Fi, etc. If you don't know how to do it or what tricks to use, refer to Mytour's guide on how to recover a forgotten Wi-Fi password.

VIII. Common Errors When Changing Wi-Fi Passwords

This error is quite common, but its true cause is often overlooked. Cases like this are not rare, and many people have sent similar questions to Mytour. For easy reference, you can check out the article Compilation of Errors When Changing Wi-Fi Passwords, including errors such as: Unable to connect to the network after changing the Wi-Fi password, unable to access 192.168.1.1, error message when changing the password, ...

IX. Artful Ways to Decline When Asked for the Wi-Fi Password

There are many artful ways to decline when asked for the password that you can apply in practice, as simple as:
- Ask the network installer: Before you, the network installer installed it for me, so I just use it, ask them again later.
- Pretend not to know: I'm not sure what the password is, the network installer set it up for me so I don't remember.
- Network issues, currently no connection: I can't access the network, there's something wrong, I can't connect to the network, currently using 3G.

X. Why Sharing Wi-Fi Passwords Is Not Recommended

As mentioned earlier, when you share your Wi-Fi network with others, you are essentially sharing bandwidth. Every smartphone or laptop that connects will reduce the speed of the network. Moreover, users may download illegal data or spread malware to other devices through the Wi-Fi connection. Mytour advises you to avoid sharing with outsiders, those you don't know.

XI. Should Wi-Fi Modem Be Left Running Continuously?

Most users often wonder if leaving the Wi-Fi modem running continuously is dangerous, affecting others, or occasionally causing network speed issues? Let me tell you, there's nothing to worry about. Wi-Fi signals do not affect the brain even if you place them in the bedroom, it's just a myth. If it had any impact on health, you would have been advised or prohibited by the network provider from the beginning.

XII. Optimal Placement of Wi-Fi Modem for High Speeds

To ensure consistently high and stable Wi-Fi signal strength, you need to position your device in specific locations and avoid certain areas:
- Place the Wi-Fi broadcasting device in the center of your home.
- Position the Wi-Fi router high up with its antennas (the device's 'beard') pointing upwards.
- Keep it away from the kitchen or landline phones.
- Avoid walls or obstacles, as large metal objects can obstruct Wi-Fi signals.

XIII. Network Support Hotline Numbers

Below are the hotline numbers for major network providers in Vietnam. If you encounter any issues while changing your Wi-Fi password, please contact the hotline numbers below. If you still need assistance, feel free to ask questions directly in the comments section below, and Mytour will respond to your inquiries as quickly as possible.
- FPT network: 19006600.
- Viettel network: 18008119.
- VNPT network: 18001091.
 

XIV. Q&A

Currently, there are various types of modems available in the market. To choose the best product for yourself, you can refer to the article distinguishing between Router devices, Modem, Access Point, Modem Router that Mytour has introduced to have a better understanding and make the most accurate selection.

Changing your wifi password regularly will cultivate a habit for managing various accounts you have on the internet, such as bank accounts, gaming accounts, and more. Currently, the game League of Legends (LOL) is very popular. To play LOL, you need to create a Garena account to log into this game system. When you have an account, you also need to change your Garena password regularly to avoid being snooped on by other gamers. Changing your Garena password is very simple, just log in to your Garena account management section and choose the password change function.

When you own a modem from network providers like VNPT, FTP, Viettel, or from brands like Tenda, TP-Link, LinkSYS, or Zyxel modem, most modern modems nowadays integrate the Wireless function, allowing wifi transmission for accessing the network on phones, computers. However, if you don't know how to configure it, you won't be able to use the wifi function on this modem. In some other cases, if you don't know how to set up wifi passwords or change wifi passwords, your wifi will be considered as 'public wifi' because anyone can use it.

Modems themselves always have a web interface for configuration, so you can use your phone to access and configure it; it's not necessary to use a computer or laptop to configure it. If using a phone, you can also use the browser available on the phone like a computer, and the phone needs to be connected to the wifi network you want to change the password for. See detailed instructions on how to change wifi password with a phone

With wifi network usage, you can completely access the network from any location within its coverage area. And if you don't change your wifi password or set up a wifi password, others can also access your wifi network, which can slow down network speed, increase data usage, and potentially increase network costs. Below, I'll guide you on how to set up a wifi password.

View the list of default IP addresses and username/password for accessing Modem if you're unaware. Login passwords for modems, common passwords in Vietnam. 

Tip: One thing to note is that you shouldn't let your wifi modem run continuously for too long. If not in use, you can turn off the power to save electricity and help the modem operate better, more durable. It's advisable to change wifi passwords monthly to avoid unauthorized use even though you've set up a wifi password previously because there might be software trying wifi passwords. One way to avoid wifi password hacking is to set a password that is at least 8 characters long, including special characters like *#$!%, combined with uppercase letters. If you're familiar with technology, you can enable MAC address filtering on your wifi modem (most modems like Tenda, TP-Link, LinkSYS, Zyxel have this feature) and avoid broadcasting SSID, to avoid revealing your home wifi network name. Also, if you're using an FTP network's Gpon wifi modem, you can easily change the GPON wifi password just like with other network modems..

There's a method to help those who are lazy to change wifi passwords, which is to hide the wifi or hide the wifi network name. Don't let it appear in other people's search data anymore. How to hide wifi is also quite simple. However, regularly changing wifi passwords is still the safest way, try to find a way to set the most unique, secure wifi password yourself.

Previously, changing Wifi passwords was very difficult for many people because there were too many types such as Tenda, TP-Link, DLink, LINKSYS, ... and network providers like VNPT, FPT, Viettel. Now with Mytour's guidance, changing Wifi passwords according to your preferences has become very simple. Let's get started together.

If you encounter any errors or issues while changing your wifi password, don't hesitate to contact Mytour's technical support team for the fastest resolution. Wishing you all the best of success!