Ensure Wi-Fi is enabled (checked) then tap Wi-Fi networks.
Tap the preferred Wi-Fi network.
If the preferred network is not listed, it can be added manually.
If presented, enter the appropriate password then tap Done.
To view the password as it is being entered, tap Show password (enabled when a check mark is present).
Ensure any additional settings (e.g. Proxy settings, Static IP, etc.) are configured appropriately (if applicable) then tap Connect.
If the keyboard is present, swipe down to display additional options.