How can I turn on call waiting on my iPhone 11 Pro Max?
If I try to turn the settings on it says could not save call waiting settings
[Re-Titled by Moderator]
Original Title: Can’t turn on my call waiting settings
iPhone 11 Pro Max, iOS 18
Question marked as
General instructions to turn on call waiting are outlined in the link below. If they don't help, you may have to contact your cellular carrier since that is provided (or NOT provided) by them.
Set up call waiting on iPhone - Apple Support