From the main screen, you select the settings > General > language > other languages > regional and language options that you want to use. Press the button in the upper right hand corner finishing.
From the Home screen You select the item to Settings> General> Regional and Language> Language> select the desired language, press the Done button at the top right hand corner.
From the main screen, allowing you to select a list Settings > General > language and regional > language > select the language you want to use. Press finish. Right hand corner on top.