Whether you're at home and need a privacy boost or traveling and using café Wi-Fi, here's how to set up a VPN on your iPhone.

Video calls significantly more data than audio calls, which can become an issue if you're on a limited data plan or visiting a foreign country.

Depending on your iPhone carrier and how generous you are, you can even share your internet access via a mobile hotspot. In ...

A dual-SIM setup lets you use one phone to make and receive calls and texts from two numbers. It's also super convenient and can save you serious cash when traveling. We show you how to use two SIMs ...