Here's how to enable full-screen incoming call alerts on your iPhone. First of all, open the Settings app on your iPhone and select Apps at the bottom of the screen. Then scroll down and tap Phone.

Ever noticed how your iPhone sometimes shows a big “Slide to Answer” bar when someone calls, while other times it presents ...

When your iPhone is unlocked, you see the red and green buttons to decline and answer the call. In the latest versions of iOS, you don't even see a full-screen alert if you're watching a video or ...