Text Input; Android Keyboard - Zte X500 Manual

Text Input

Your phone supports XT9 text input method and Android
keyboard input method. Android keyboard supports multiple
language inputs; XT9 text input method supports both English
and Spanish.
On the text screen, touch and hold the space where you
usually write your text until the Edit text menu is displayed,
touch Input method and select the input method. The
keyboard panel will be displayed automatically.

Android Keyboard