1. Swipe down from the top of the home screen and tap the "Gear (Settings)" icon from Quick Settings.
2. Tap "System" > "Language & input".
3. Tap "Add a Language" > "Español" > "España".
In this example, the language is set to "Español" and the country is set to "España".
4. Tap and hold “España” and swipe above “English (United States)” to change the language to “España”.