Does unlimited data apply to roaming?
Does unlimited data apply to roaming? Is Data Roaming Free With Unlimited Data? Data roaming isn't usually free (even with the best unlimited data plans). However, certain carriers include specific roaming features in their unlimited plans. For example, some carriers may offer free data roaming when traveling to Mexico or Canada.
Do I want mobile data or roaming?
If you want to stay connected to mobile phone service even if you travel away from your cell carrier's network, data roaming should be switched “on.” But if you want to avoid fees and you're aware of the risks of losing connectivity, then you can turn data roaming to “off.”