What’s the Most Secure Way to Lock Your Smartphone?

Smartphone owners today have a plethora of ways to lock and unlock their phones: face scans, finger presses, PIN codes, location detection, and so on. Are some of these options more secure than others? And which one should you use?

First, let’s recap of what’s actually available. iPhone owners have the option of Touch ID fingerprint scans and a PIN code, which these days has to be six digits long. Rumors are swirling that the next iPhone will offer some sophisticated face recognition tech as well as, or instead of Touch ID, but we’ll have to wait until September to find out.