Domestic roaming is usually free on all the major cellular providers. Still, international roaming often involves being charged data roaming fees that become costly quickly. Learn what data roaming is ...

International data roaming occurs when you travel to another country and your phone connects to a local carrier's network. This allows you to continue using data services, but it can be expensive.

Here’s how to avoid roaming fees and stay connected affordably across England, Scotland, Wales, and Northern Ireland.