Turning data roaming on can give you access to the internet while on the move, making it easier to navigate your way around and stay in touch with loved ones. However, leaving data roaming on without caution can result in high data charges with an unexpectedly large bill when you return home.
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If you want to avoid roaming charges when you travel, you have a few options to consider:
If you're relying on Wi-Fi, it's important that you turn off cellular data on your phone, otherwise you may inadvertently rack up international roaming charges. Skype, Google Hangouts and other apps also let you make free video calls with other users over an internet connection.
Check your Cellular Data options and turn off Data Roaming. In the Settings app, tap Cellular, or Cellular Data, or Mobile Data. Turn on Cellular Data, then tap Cellular Data Options. Turn off Data Roaming.