I've had the iPhone 6s for exactly two weeks now, and I'm continuously having this problem. One or two random texts messages a week won't disappear from my notifications tab, even after I read it. I click remove, it stays. I slide to the left and click the x or reply, and it's still there. After I turn the phone off and on it goes away, but I don't want to have to keep doing that. Any suggestions? Is this happening to anyone else?
Read more:
Why won't read messages disappear from my notifications tab?