3. Log in to your modem's settings (Modem GUI) using the Administrator Username and Password, then select "Apply." Unless you have changed the default settings, you can find the login information on the modem's sticker.
4. Select "Wireless Setup."
5. Select "2.4 GHz" in the left sidebar.
9. From here you can select the "default" or "custom" key/passphrase.
10. If you decided to create a custom security key/passphrase you will need to enter it below.
11. Select "Apply" to save your changes.