Settings > Language and Input.
3.
Tap Voice Dictation.
4.
Turn on the Dictation switch .
5.
In the Language drop-down list, tap the language you want to use.
6.
To begin voice dictation, tap
.
Language
If you speak more than one language, you can use the language settings to change your display, typing, voice input, or
BlackBerry Keyboard language. You can also switch to another typing language while you type.