iPhone 12 mini has no sound on calls or videos nothing

Ernestozeus2 wrote:

My iPhone 12 mini has no sound on calls or videos nothing

verify the side switch is not set to "sound off"

Use the side, Home, and other buttons on your iPhone

Do not Disturb...see Temporarily silence calls, alerts, and notifications

Silence iPhone - Apple Support

Have you restart the iPhone ie power off/on,

Restart your iPhone - Apple Support

Reset or a Force Restart,

Force restart iPhone - Apple Support