You selected the language for your phone during set up. To change it:
If you don’t see the language you want, touch
to add it, then drag it to the first position.
All languages added to the list will appear on the keyboard's spacebar.
To remove a language, go to Settings > System > Languages & input > Languages, then touch
> Remove, select the language, and touch
.
If you want a keyboard for a language that isn't a display language:
Then, switch between languages on the keyboard by touching
.