iPhone 6s Plus iOS 9.3.1 Update: 10 Things You Need to Know

Set Up Verizon WiFi Calling on iOS 9.3

Apple and Verizon finally offer the option to make calls over WiFi in iOS 9.3. This comes after months of support for WiFi calling on Sprint, AT&T and T-Mobile. 

When you turn this option on your iPhone 6S Plus will automatically switch from a poor cell phone signal and connect to WiFi so that you can make calls. This is amazing for keeping in touch in poor service areas. 

One complaint that we've heard is that when you leave WiFi range the iPhone may not hand off to cell service, so keep that in mind as you test it out.. 

Here's how you can turn on Verizon WiFi Calling in the iOS 9.3 update. We've had mixed success using this service on the iPhone 6s, including some dropped calls when leaving WiFi.