The POCO X7 Pro supports VoWi-Fi (Voice over Wi-Fi), which is a technology that allows voice calls to be made over a Wi-Fi network instead of the traditional cellular network, enhancing voice calling capabilities and improving call clarity and reliability. This feature is especially useful in areas with weak cellular coverage but strong Wi-Fi signals, ensuring high-quality voice calls.
To enable VoWi-Fi, please refer to the following steps:
1. Enter * # * #869434# * # * on the phone’s dial, then your device will display the VoWi-Fi option;
2. Go to [Settings];
3. Tap [Mobile networks];
4. Select the SIM card that you want to use the VoWi-Fi;
5. Enable the [Make calls using Wi-Fi] option.