Wave your hand above the phone to switch to speaker mode during calls on the Vivo V7+.

Wave your hand over the phone's top to switch to speaker mode during calls.

Switch to speaker mode on the Vivo V7+ by waving your hand as follows:

Step 1: Go to 'Settings' and select 'Smart Motion Control.'

Select 'Smart Motion Control'.

Step 2: Choose 'Intelligent Calling'.

Choose 'Intelligent Calling'.

Step 3: Turn on 'Wave to Use Hands-free Mode'.

Turn on 'Gesture Mode' for hands-free use.

That completes your setup process. Wishing you success ahead!