Here's how to enable WiFi Calling feature on an iPhone. A number of carries such as AT&T, T-Mobile and more support Wi-Fi Calling on their network, allowing those with weak cellular signals to use WiFi to make and receive calls.
With Wi-Fi Calling enabled on iPhone, you will notice a drop in battery life. Here's how to fix that battery drain. It's actually more of a workaround than a full fix, but it does the job.
