Open the Settings app
Tap Sounds & Haptics
Under “Vibrate on Ring,” turn off Vibrate
Under “Vibrate on Silent,” turn off Vibrate
To disable vibration for specific alerts, toggle off options under Sounds & Haptics (e.g., Mail, Messages, Calendar, Reminders, etc.) if available
If vibration still happens, open Settings
Tap Accessibility
Tap Touch
Turn off Vibration