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10 second version:
1. Open the Settings app.
2. Tap Cellular.
3. Look at the "Current Period Roaming" number.

Part 1
Part 1 of 2:

Checking Roaming Data Usage

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  2. This is the amount of roaming data you've used in your current data cycle.
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Part 2
Part 2 of 2:

Customizing Roaming Data Settings

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  1. Voice Roaming allows you to use data for phone calls while away from your home network.
    • Using Voice Roaming may result in fees.
  2. This will apply the Voice Roaming concept to your messaging as well.
    • You can incur SMS fees while using this feature.
  3. CDMA provides coverage in areas of the world where your service provider has an agreement with CDMA carriers in the region.[1]
    • Turning this on may result in fees.
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Tips

  • When traveling internationally, it's best to have your service provider unlock your phone so you can use international SIM cards for the best service.
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Warnings

  • International roaming fees can be substantial. Make sure you check with your service provider before using these services.
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About This Article

Jack Lloyd
Written by:
wikiHow Technology Writer
This article was co-authored by wikiHow staff writer, Jack Lloyd. Jack Lloyd is a Technology Writer and Editor for wikiHow. He has over two years of experience writing and editing technology-related articles. He is technology enthusiast and an English teacher. This article has been viewed 34,373 times.
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Co-authors: 2
Updated: February 24, 2025
Views: 34,373
Categories: IPhone
Thanks to all authors for creating a page that has been read 34,373 times.

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