What’s these question marks mean I see everyone using them ?

iphone emojis...i haven't updated yet so all i see is questions marks lol

It’s a glitch lol when you type the letter ì it does that

@mommy2bee2, maybe that’s what’s wrong with mine

@skysmommy04, does it have anything to do with not updating the phone

@lydia09876, it’s all about the update lol anyone who has is having the issue