Apple® iPhone® - Dual SIM with an eSIM - Switch Default Voice Line

Note Notes:

  • The steps below apply to the following models:
    • iPhone XS / XS Max
    • iPhone XR
  • The Default Voice Line is the primary line used for voice, SMS, Data, iMessage®, and FaceTime®.


  1. From the Home screen, navigate: Settings Settings > Cellular.
  2. Tap Default Voice Line.
  3. Select the desired line (e.g., Primary, Secondary, etc.).


Note For additional Dual SIM info, check out this Apple article.

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