could not save call waiting
Call waiting doesn’t work. My phone is iPhone X 256GB. It says “could not save call waiting setting” option is “dismiss”
Call waiting is a telecommunication service offered by a telephone service provider to a subscriber by which the subscriber may suspend a telephone call already in progress to accept a second call. The subscriber may switch between calls, typically by using the hook flash signal.
Watch the GIF below and Contact your Cellular Service provider.