Not saying that is your case DH, just that it happens a lot with phones. I kinda think that happened with phones before cells, in my case anyways. But it wouldn't be what like you described.
When I started getting psychosis at about 11 years old, I honestly thought that everyone must get this kind of stuff and they didn't talk about it.. like taboo. Eventually I realized that was not true, not everyone did. But then you do come across so many who do too.. so to me I wonder if it is mentally illness.. or something else.. maybe not that abnormal.
Like people always talk about seeing ghosts and stuff, and that's pretty acceptable, depending yes but more acceptable. Thing is I don't believe in ghosts even tho I think I saw some. I wonder if they are kind of the same thing sometimes.
When I got phantom texts, it didn't just vibrate. The screen showed the text popup preview thing with words in it. I caught what it said once.. I posted here it wasn't cool. But when I would pick up the phone to read it it would disappear, that's happened many times over the last two years. So that's not the same as the phantom text thing either really, but I dunno, is that really too weird to be normal..... haha ok I "know" how that sounds... cray-cray