Here's Why You Sometimes Get Two Choices When Answering A Call On Your iPhone

#1 Ever realize that you sometimes get two different options when someone calls your iPhone? One with a slider and one with buttons?

There is logic behind the madness - so here's the secret:

#2 You get this screen when your phone is locked and someone calls:

#3 And you get this screen when your phone is unlocked and someone calls:

#4 Now you're far more knowledgeable than all your friends - don't gloat too hard.