Ever wonder why you get two different choices to answer calls on your iPhone? (ABC Owned Television Stations)
It doesn't have to do with someone calling who isn't in your contacts. (Photo/ABC Owned Television Stations)
It also doesn't have to do with someone calling from a device that isn't an iPhone. (Photo/ABC Owned Television Stations)
However, if you receive a call while your phone is on lock, that is when the slide to answer option will appear. (Photo/ABC Owned Television Stations)