Open Settings
Tap Accessibility
Tap Touch
Turn off Vibration
To stop ringer vibrations, go to Settings
Tap Sounds & Haptics
Tap Haptics
Select Never Play
To stop vibration for silent mode, go to Settings
Tap Sounds & Haptics
Turn off Haptics in Silent Mode
To stop vibration for ring mode, go to Settings
Tap Sounds & Haptics
Turn off Haptics in Ring Mode