You’ve got a POPSICASE and you need to take it off. Here’s the fastest way to do it!
1. Slide the handle down.
2. Place one thumb in the hole to put pressure on the phone. Place the other one on the side edge and pull towards you, first on the side and then on the top corner.
3. You will see that POPSICASE comes off easily like a book cover.
And, if you’re still not sure, take a look at this clip: