Speech Recognition
Go to Settings.
Tap General.
Scroll down and tap Keyboard.
Tap the Enable Dictation toggle to toggle it on.
Tap a field to add text (example: an email, text message or browser address bar.
When the keyboard appears, tap the mic icon below the keyboard.
After the beep, start speaking in a clear voice. Refer to Voice Typing Picture Instructions to assist in student training.
Click the keyboard icon or anywhere on the screen to stop recording.
Think before you speak.
Enunciate.
Add punctuation.
Practice (don't give up if it doesn't work right away).
How to use dictation and edit text with Voice Control on your iPhone
How to Use Dictation on iPhone