I plan to travel to Cancun in Mexico. If I want to enjoy the free data and call in Cancun, do I require to get some permission before I go there or I can use the free-roaming directly without any external setting? My phone is Apple 7 plus.
If roaming to Mexico is inckuded in your plan. Enabling roaming on your device in the settings will allow you to use your device in Mexico. Just make sure you stay away from any cruise ships. If you roam on to one of their towers, you will rack up some expensive charges very fast. Roaming in Mexico does not include cruise ships!