How can I configure Voice over LTE (VoLTE) on my phone?

  1.  Access Cellular Settings

    1. Open the 'Settings' app and find 'Cellular' or 'Mobile Data' (names might vary).

  2.  Enable LTE and VoLTE

    1. Inside Cellular settings, tap 'Cellular Data Options' or 'Mobile Data Options'.

  3.  Turn on Voice & Data

    1. Look for 'Enable LTE' or 'Voice & Data', tap it.

  4.  Select VoLTE

    1. Among LTE options, pick 'Voice & Data' or 'Enable LTE' to enable VoLTE.

  5.  Confirm Activation

    1. If asked, tap 'Enable' or 'OK' to confirm.

  6.  Restart Your iPhone

    1. After making changes, restart your iPhone for the settings to apply.