Hello!
i have an iPhone 12 if that matters. Lately apps have been crashing. A couple of days ago a friend sent me an invite to play battleship via iMessage and when I clicked on it, my phone went black and then restarted. This has happened a few times now and each time my phone name display has added a number on the end. This makes no sense but I’ll attach a photo of what I mean. After the phone restarted I got a strange message about being signed out of iMessage. I called my T-Mobile friend who told me to change passwords ASAP, so I did. Today I received a very strange text claiming to be from a coworker, but it wasn’t her that sent it. That is mildly concerning, bc that means someone else has access to my contacts?? What else do they have access to? I’m very lost and any guidance would be greatly appreciated.