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 and Data.


  1. From the Home screen, navigate: Settings Settings > Cellular.
  2. Tap Default Voice Line.
    Note This option is only available when both the physical SIM card and eSIM are activated.
    Tap Default Voice Line
  3. Tap the desired line (e.g., Primary, Secondary, etc.).
    Note Selected when a checkmark is present.
    Set Default Voice Line


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

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