Since iPhone 12 mini is not released, we can't answer your question with any certainty.
In looking at the specifications for iPhone 12 Mini, in Accessibility this is noted:
Accessibility features help people with disabilities get the most out of their new iPhone. With built-in support for vision, hearing, mobility, and learning, you can fully enjoy the world’s most personal device.
Accessibility Features Include:
- Voice Control
- VoiceOver
- Zoom
- Magnifier
- RTT and TTY support
- Siri and Dictation
- Type to Siri
- Switch Control
- Closed Captions
- AssistiveTouch
- Speak Screen
- Back Tap