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What Is AE/AF Lock & How to Use It

When you capture an image with your iPhone, the camera's autofocus (AF) and auto exposure (AE) features will automatically determine the best focus position for you and the best exposure for that area of focus. However, you can manually adjust these settings and lock them so that you don't have to reset them between shots. Now, let's find out how to use AE/AF Lock!

Siri is an awesome time saver. Want to view your most recent calls, text someone, get directions, or post to Facebook? Just ask Siri. You can even do all this from your lock screen. The problem is, so can anyone else. If your settings allow for it, anyone can access your call history, send a tweet, or get directions to a contact's home from your lock screen just by bringing up Siri and asking.