Wi-Fi calling, also called VoWiFi, VoWLAN, or voice over Wi-Fi, allows you to use your Wi-Fi signal to make and receive phone calls. The service appeared on T-Mobile and Sprint networks in 2007, and ...

You’re connected to wifi, and no matter what website you visit and how many apps you open, nothing works. You try to figure out what’s going on and find that your Wi-Fi icon has an exclamation mark, ...

Whether you're using a budget-tier handset, a new flagship smartphone, or an Android-based tablet masquerading as something else, it's all but inevitable that you will encounter Wi-Fi issues at some ...