Using my iPhone 6 plus on iOS 9.3.1 I've just had this twice. Anyone know what it is, or had it before? I wasn't sending any iMessage or sms this came to me. I'm in UK.
Just had another one....
Never heard of them. The message says that I couldn't send though, I wasn't trying to...Looks like a Flash SMS message.
I don't that's just how it popped upHow do you have that grey theme?