ContribucionesMost RecentMost LikesSolutionsT-mobile text is it real? Text says VoLTE setting need adjusting and has link t-mo.co/3n4uxjQ. is this really Tmobile sending this? what does code mean "Connection problem or invalid MMI code" What causes this message and what does it mean. Presently phone show it's dialing and it never rings the number.