These are the steps how to change the wifi name/SSID and WPA-PSK password:
1. Open a browser go to this url: 192.168.254.254. (Default Gateway - refer to your modem)
2. Log in your account.
3. On the left side bar, Go to General Settings > Click WLAN settings.
4. On the interface profile below. On the SSID, type in your desired WIFI name.
5. Next is Security type, Select WPA2-PSK
6. Then on WPA-PSK, Type in your desired password. It must be not less than 8 characters and not greater than 63 characters. A-Z, 0 -9, a-z combinations
Ex. Akoaypogi220 or pinakamalupitnapassword
7. on the WPA encryption type, select AES
8. Then click on the submit button.
9. Restart the device then check if the Wifi name and password are changed.