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

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

  1. 1
    Tap Cellular Data Options.
  2. 2
    Tap Roaming.
  3. 3
    Tap the Voice Roaming switch. Voice Roaming allows you to use data for phone calls while away from your home network.
    • Using Voice Roaming may result in fees.
  4. 4
    Tap the Data Roaming switch. This will apply the Voice Roaming concept to your messaging as well.
    • You can incur SMS fees while using this feature.
  5. 5
    Tap the International CDMA switch. 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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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 19,423 times.
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Co-authors: 2
Updated: March 29, 2019
Views: 19,423
Categories: IPhone
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