Summer is the time to roam. According to Deloitte, more Americans plan to travel in 2025 than 2024, and a recent poll by Allianz found that 70% of Americans under 35 are planning a summer getaway.

International travel is exciting -- until you get roaming fees. Abide by these tips to keep using phone apps and data stress-free on your trip. David Lumb is a senior reporter covering mobile and ...