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Apple iPhone - Turn Voice Roaming On / Off

2026-10-22 16:06:10.172

Apple iPhone - Turn Voice Roaming On / Off

Here's how to troubleshoot calling and data issues on your iPhone when traveling internationally.
Turning on voice roaming may incur roaming charges.
  1. From the Home screen, navigate:
    Settings Settings icon
    Cellular
    Cellular Data Options
    .
    If unavailable, swipe left to access the App Library.
  2. Tap
    Roaming
    .
  3. Tap the
    Voice Roaming switch
    to turn on Switch On or off Switch Off.
    Voice Roaming must be on for the Data Roaming and International CDMA options to be available.
  4. Tap the
    International CDMA switch
    to turn on or off.
    CDMA is a wireless technology that Verizon Wireless uses to place and receive calls within the US and some global destinations.
    Turning off International CDMA while in another country may improve poor messaging or data performance.