944. Tap Enable L2TP Secret to make a checkmark (if desired).5. Tap Set L2TP Secret and enter a password (if desired), thentap OK.6. Tap Set user certificate, then tap OK.7. Tap Set CA certificate, then tap OK.8. Tap DNS search domains, add a name for DNS search usingthe keypad, then tap OK.Mobile networksBefore you use applications such as Google Maps and find yourlocation or search for places of interest, you must enable theMobile networks options. From the Home screen, tap Settings Wirelessand network Mobile networks.The following options display:Use Packet DataTo activate the data network, this option must be selected. It is seton by default.1. From the Home screen, tap Settings Wirelessand network Mobile networks.2. Tap Use packet data.Data RoamingData roaming allows you to connect to your service provider’spartner networks and access data services when you are out ofyour service providers area of coverage.1. From the Home screen, tap Settings Wirelessand network Mobile networks.2. Tap Data roaming.Access Point NamesTo use Wi-Fi you need access to a wireless access point (hotspot). From the Home screen, tap Settings Wirelessand network Mobile networks Access Point Names.A list of the Access Point names display. The active accesspoint displays a green, filled circle to the right of the name.Network modeTo configure your phone to automatically detect and use thefastest possible data network connection, or use a specific mode:1. From the Home screen, tap Settings Wirelessand network Mobile networks Network Mode.