Apple® iPhone® - Dual SIM with an eSIM - Switch Designated iMessage® / FaceTime® Number

Note Notes:

  • The steps below apply to the iPhone XS / XS Max and newer models.
  • Only 1 mobile number can be used for iMessage and FaceTime. You can change the number in use at any time with the steps below.


  1. From a Home screen, navigate: Settings Settings > Messages.
  2. Tap iMessage & FaceTime Line.
    Note This option is only available when both the physical SIM card and eSIM are activated.
    Tap iMessage & FaceTime Line
  3. Select the mobile number you'd like to use.
    Select iMessage & FaceTime Line


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