How to Enable Wi-Fi Calling on Your OPPO Phone

If you want to use Wi-Fi calling on your OPPO phone, this guide will show you step-by-step how to enable this feature. Follow these instructions to turn on Wi-Fi calling on your OPPO phone.

Applicable to: All OPPO Smartphones with Wi-Fi Calling feature. 

What is Wi-Fi Calling

Wi-Fi Calling or Voice over Wi-Fi (VoWiFi) is a voice calling service that lets you make and receive calls over a Wi-Fi connection. You can enjoy clearer calls without additional charge to your existing voice plan, and no apps are required to download. Follow the steps below to enable Wi-Fi Calling on your OPPO phone.

How to enable Wi-Fi Calling

1. Go to [Settings] > [Mobile Network] / [Dual SIM & Cellular] / [Dual SIM & Mobile Network] / [SIM Card & Mobile Data].

   
   

   

2. Tap the SIM card you want to enable Wi-Fi Calling.

3. Tap [Wi-Fi Calling] and toggle on [Wi-Fi Calling].

4. Tap [Wi-Fi Calling Preferences] and set [Wi-Fi Calling Preferred].

   

Other articles you might be interested in:

• How to Make VoLTE Calls with Your OPPO Phone 

• The Dual VoLTE on OPPO Mobile and its Features 

* Pictures, settings, and paths might differ from those of your phone, but these won't affect the description in this article.