2.7 Language and Keyboard Settings
2.7.1 What languages does it support? How to change the
phone language?
On the home screen, click Settings > Language & input > Languages, you can select one
in the language list.
2.7.2 Why can't it be used after installing other input methods?
On the home screen, click Settings > Language & input, and in the keyboard and input
method area, click Default, select one in the input method list.