By default, it uses TP-Link's new interface, so some users in Vietnam may find Archer C9 a bit unfamiliar. The interface is different, so the steps to change the WiFi password for Archer C9 are not the same as changing it for other TP-Link modems. Those accustomed to changing TP-Link WiFi passwords using the old interface will encounter some difficulties with Archer C9. To save time, follow the instructions with images below from Mytour to change the Archer C9 WiFi password.
How to Change Archer C9 WiFi Password, Set up TP-Link Archer C9 WiFi Password
Step 1: Access the Archer C9 WiFi by entering the address: 192.168.1.1 in the URL bar of any browser.
Then enter the Username and
Username: admin
Password: admin
Select Login to proceed with changing the Archer C9 WiFi password.
In the Archer C9 WiFi interface, click on Wireless. This section allows you to adjust WiFi settings.
Step 2: You will see the Password section for the 2.4GHz and 5GHz bands. Choose the band available only on premium WiFi models. Set a password for these bands, select the band, and press Save.
Step 3: At the top right corner of the Archer C9 modem interface, pay attention to the Reboot button. Click on it to restart the Archer C9 WiFi modem.
Select Yes to proceed with the reboot.
Please wait for about 2 minutes for the Archer C9 modem to restart.
By following the instructions above, you will successfully change the Archer C9 WiFi password.
For other types of modems provided by network providers, there are different methods for changing the WiFi password. For example, Viettel provides Totolink and TP-Link modems to users. These are all budget-friendly WiFi modem models, and the method for changing the Viettel WiFi password differs from that of Archer C9. You can refer to additional instructions for changing the Viettel WiFi password to customize when encountering these modem interfaces. Best of luck!