How to turn off HD call of vivo S15

Vivo S15 has recently become the choice of many children. After getting a new phone, there is always a process of adaptation. Many children put forward their own questions. For example, there are one or two "HD" displays on the phone, just the things on the phone. How to operate if you want to close it? This is very important for many children. Come and have a look.

How to turn off HD calls for vivo S15

1. Open phone settings

2. Click Wireless and Network

3. Click Mobile Network

4. Enter the mobile network interface and turn off the VoLTE HD call

5. Back to the mobile desktop, the HD icon on the top corner of the page is removed

I'm sure you all know how to turn off HD calls on vivo S15. It's actually very simple. In the settings, you just need to follow the relevant steps. Let's have a try.