To turn on your WiFi encryption, go to the home screen, then swipe down and tap Wireless & networks.  2. Tap More settings near the bottom of the screen.  3. Select Wifi Networks and again tap more settings in the upper right-hand corner of the next page that pops up .  4. Tap Security, a drop down menu will appear with four choices between WEP(chances are you already have this for compatibility... if you're looking to secure your connection), no security (do not select this!), WPA Personal or WPA Enterprise depending on your needs/agenda . Make sure all boxes are checked to enable encryption! 5. Next tap Save at the bottom right hand side of the screen to save your settings.